This is a list of

free and open-source software Free and open-source software (FOSS) is software available under a license that grants users the right to use, modify, and distribute the software modified or not to everyone free of charge. FOSS is an inclusive umbrella term encompassing free ...

(FOSS) packages,

computer software Software consists of computer programs that instruct the Execution (computing), execution of a computer. Software also includes design documents and specifications. The history of software is closely tied to the development of digital comput ...

licensed under free software licenses and

open-source license Open-source licenses are software licenses that allow content to be used, modified, and shared. They facilitate free and open-source software (FOSS) development. Intellectual property (IP) laws restrict the modification and sharing of creative ...

s. Software that fits the Free Software Definition may be more appropriately called

free software Free software, libre software, libreware sometimes known as freedom-respecting software is computer software distributed open-source license, under terms that allow users to run the software for any purpose as well as to study, change, distribut ...

; the

GNU project The GNU Project ( ) is a free software, mass collaboration project announced by Richard Stallman on September 27, 1983. Its goal is to give computer users freedom and control in their use of their computers and Computer hardware, computing dev ...

in particular objects to their works being referred to as open-source. For more information about the philosophical background for open-source software, see

free software movement The free software movement is a social movement with the goal of obtaining and guaranteeing certain freedoms for user (computing), software users, namely the freedoms to run, study, modify, and share copies of software. Software which meets thes ...

and Open Source Initiative. However, nearly all software meeting the Free Software Definition also meets '' the Open Source Definition'' and vice versa. A small fraction of the software that meets either definition is listed here. Some of the open-source applications are also the basis of commercial products, shown in the List of commercial open-source applications and services.

Artificial intelligence

General AI

* OpenCog – A project that aims to build an

artificial general intelligence Artificial general intelligence (AGI)—sometimes called human‑level intelligence AI—is a type of artificial intelligence that would match or surpass human capabilities across virtually all cognitive tasks. Some researchers argue that sta ...

(AGI) framework. OpenCog Prime is a specific set of interacting components designed to give rise to human-equivalent artificial general intelligence.

Large language models

* DeepSeek - R1 reasoning model released as an open-source artificial intelligence project on January 20, 2025. * DBRX -

Open source Open source is source code that is made freely available for possible modification and redistribution. Products include permission to use and view the source code, design documents, or content of the product. The open source model is a decentrali ...

LLM * GPT-J - LLM with 6 billion parameters developed by the

nonprofit A nonprofit organization (NPO), also known as a nonbusiness entity, nonprofit institution, not-for-profit organization, or simply a nonprofit, is a non-governmental (private) legal entity organized and operated for a collective, public, or so ...

EleutherAI * GPT-1 - OpenAI LLM released under the

MIT License The MIT License is a permissive software license originating at the Massachusetts Institute of Technology (MIT) in the late 1980s. As a permissive license, it puts very few restrictions on reuse and therefore has high license compatibility. Unl ...

in June 2018 * GPT-2 - OpenAI LLM released under the

in November 2019 * XLNet -

Google Google LLC (, ) is an American multinational corporation and technology company focusing on online advertising, search engine technology, cloud computing, computer software, quantum computing, e-commerce, consumer electronics, and artificial ...

LLM released as an open source project in June 2019 under the Apache 2.0 license * BERT -

LLM released as an open source project in October 2018 under the Apache 2.0 license * T5 -

LLM released as an open source project in 2019 under the Apache 2.0 license

Computer vision

* AForge.NET –

computer vision Computer vision tasks include methods for image sensor, acquiring, Image processing, processing, Image analysis, analyzing, and understanding digital images, and extraction of high-dimensional data from the real world in order to produce numerical ...

artificial intelligence Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of re ...

and

robotics Robotics is the interdisciplinary study and practice of the design, construction, operation, and use of robots. Within mechanical engineering, robotics is the design and construction of the physical structures of robots, while in computer s ...

library for the

.NET The .NET platform (pronounced as "''dot net"'') is a free and open-source, managed code, managed computer software framework for Microsoft Windows, Windows, Linux, and macOS operating systems. The project is mainly developed by Microsoft emplo ...

framework * OpenCV – computer vision library in C++

Machine learning

* See List of open-source machine learning software * See Data Mining below * See

R programming language R is a programming language for statistical computing and data visualization. It has been widely adopted in the fields of data mining, bioinformatics, data analysis, and data science. The core R language is extended by a large number of so ...

– packages of statistical learning and analysis tools

Planning

* TREX – Reactive planning

Robotics

* ArduPilot * CoppeliaSim * Gazebo * Mobile Robot Programming Toolkit * OpenRTM-aist * Paparazzi Project * Player Project * Python Robotics *

Robot Operating System Robot Operating System (ROS or ros) is an Open-source software, open-source robotics middleware suite. Although ROS is not an operating system (OS) but a set of software frameworks for robot software software development, development, it provide ...

(ROS) * TurtleBot * Webots – Robot simulator

Assistive technology

Speech (synthesis and recognition)

* CMU Sphinx – Speech recognition software from

Carnegie Mellon University Carnegie Mellon University (CMU) is a private research university in Pittsburgh, Pennsylvania, United States. The institution was established in 1900 by Andrew Carnegie as the Carnegie Technical Schools. In 1912, it became the Carnegie Institu ...

* Emacspeak – Audio desktop * ESpeak – Compact software speech synthesizer for English and other languages * Festival Speech Synthesis System – General multilingual speech synthesis * Modular Audio Recognition Framework – Voice, audio, speech NLP processing * NonVisual Desktop Access – (NVDA)

Screen reader A screen reader is a form of assistive technology (AT) that renders text and image content as speech or braille output. Screen readers are essential to blindness, blind people, and are useful to visually impaired people, Illiteracy, illiterate, ...

, for Windows * Text2Speech – Lightweight, easy-to-use Text-To-Speech (TTS) Software

Other assistive technology

* Dasher – Unique text input software * Gnopernicus – AT suite for GNOME 2 * Virtual Magnifying Glass – A multi-platform screen magnification tool

CAD

* Archimedes (CAD) * Art of Illusion * Blender * BRL-CAD – a constructive solid geometry (CSG) solid modeling computer-aided design (CAD) system. * FreeCAD – Parametric 3D CAD modeler with a focus on

mechanical engineering Mechanical engineering is the study of physical machines and mechanism (engineering), mechanisms that may involve force and movement. It is an engineering branch that combines engineering physics and engineering mathematics, mathematics principl ...

BIM Building information modeling (BIM) is an approach involving the generation and management of digital representations of the physical and functional characteristics of buildings or other physical assets and facilities. BIM is supported by vario ...

, and product design. * HeeksCAD * LibreCAD – 2D CAD software using AutoCAD-like interface and file format. * MakeHuman * MeshLab * Open Cascade Technology (OCCT) – a CAD kernel for 3D CAD, CAM, CAE, etc. * OpenSCAD – A scripting-based 3D CAD software. * QCAD * SolveSpace – 2D and 3D CAD, constraint-based parametric modeler with simple mechanical simulation abilities. * Sweet Home 3D * Wings 3D

Computer-aided engineering (CAE)

* Advanced Simulation Library * ASCEND * DWSIM * Elmer FEM solver * Gmsh * LibreCAD * MapleSim * Modelica * OpenSim * OpenFOAM * Project Chrono * Salome * SimScale * SU2 code

Computer-aided manufacturing (CAM)

Subtractive

* LinuxCNC * FreeCAD
Path Workbench

Additive Manufacturing

* Cura * Slic3r * MeshLab * OctoPrint * Marlin * Klipper * Repetier-Host * AstroPrint

Electronic design automation (EDA)

Electric Electricity is the set of physical phenomena associated with the presence and motion of matter possessing an electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwel ...

* FreePCB * Fritzing – a CAD software for the design of electronics hardware to build more permanent circuits from prototypes * gEDA * GNU Circuit Analysis Package (Gnucap) * Icarus Verilog * KiCad – a suite for electronic design automation (EDA) for schematic capture, PCB layout, manufacturing file viewing, SPICE simulation, and engineering calculation * KTechLab * Magic * Ngspice * pcb-rnd * Oregano * Quite Universal Circuit Simulator (QUCS) * Verilator * XCircuit

Computer simulation

* Blender –

3D computer graphics 3D computer graphics, sometimes called Computer-generated imagery, CGI, 3D-CGI or three-dimensional Computer-generated imagery, computer graphics, are graphics that use a three-dimensional representation of geometric data (often Cartesian coor ...

software toolset used for creating animated films,

visual effects Visual effects (sometimes abbreviated as VFX) is the process by which imagery is created or manipulated outside the context of a live-action shot in filmmaking and video production. The integration of live-action footage and other live-action fo ...

, art, 3D printed models, and motion graphics. * FreeCad, equivalent of Blender, towards to mechanical engineering * OpenFOAM – open-source software used for computational fluid dynamics (or CFD). * FlightGear ''-'' atmospheric and orbital flight simulator with a flight dynamics engine (JSBSim) that is used in a 2015 NASA benchmark to judge new simulation code to space industry standards. * SimPy – Queue-theoretic event-based simulator written in Python * Salome – a generic platform for Pre- and Post-Processing for numerical simulation

Cybersecurity

Antivirus

* ClamAV – cross-platform antimalware toolkit written in C and C++, able to detect many types of malware including

viruses A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Viruses are found in almo ...

* ClamWin –

free and open-source Free and open-source software (FOSS) is software available under a Software license, license that grants users the right to use, modify, and distribute the software modified or not to everyone free of charge. FOSS is an inclusive umbrella term ...

antivirus tool for

Windows Windows is a Product lining, product line of Proprietary software, proprietary graphical user interface, graphical operating systems developed and marketed by Microsoft. It is grouped into families and subfamilies that cater to particular sec ...

and written in C, C++ * Lynis – Security audit tool (set of shell scripts) for

Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...

and

Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an kernel (operating system), operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically package manager, pac ...

Data loss prevention

* MyDLP

Data recovery

* dvdisaster * ddrescue * Foremost * PhotoRec * TestDisk

Forensics

* The Coroner's Toolkit * The Sleuth Kit

=Anti-forensics

= * USBKill * Tails * BusKill

Disk erasing

* DBAN * srm

Encryption

* Bouncy Castle * GnuPG * GnuTLS * KGPG * NaCl * OpenSSL *

Seahorse A seahorse (also written ''sea-horse'' and ''sea horse'') is any of 46 species of small marine Osteichthyes, bony fish in the genus ''Hippocampus''. The genus name comes from the Ancient Greek (), itself from () meaning "horse" and () meanin ...

Signal A signal is both the process and the result of transmission of data over some media accomplished by embedding some variation. Signals are important in multiple subject fields including signal processing, information theory and biology. In ...

* stunnel * TextSecure * wolfCrypt * 7-Zip

Disk encryption

* dm-crypt * FreeOTFE and FreeOTFE Explorer * eCryptfs * VeraCrypt

Firewall

* Firewalld * Uncomplicated Firewall (ufw) * Firestarter * IPFilter * ipfw * iptables * nftables * M0n0wall * PeerGuardian * PF * pfSense * OPNsense *

Rope A rope is a group of yarns, Plying, plies, fibres, or strands that are plying, twisted or braided together into a larger and stronger form. Ropes have high tensile strength and can be used for dragging and lifting. Rope is thicker and stronger ...

* Shorewall * SmoothWall * Vyatta * VyOS

Network and security monitoring

* Snort – Network intrusion detection system (IDS) and intrusion prevention system (IPS) * OpenVAS – software framework of several services and tools offering vulnerability scanning and vulnerability management

Secure Shell (SSH)

* Cyberduck –

macOS macOS, previously OS X and originally Mac OS X, is a Unix, Unix-based operating system developed and marketed by Apple Inc., Apple since 2001. It is the current operating system for Apple's Mac (computer), Mac computers. With ...

and Windows client (since version 4.0) * Lsh – Server and client, with support for SRP and Kerberos authentication * OpenSSH – Client and server *

PuTTY PuTTY () is a free and open-source terminal emulator, serial console and network file transfer application. It supports several network protocols, including SCP, SSH, Telnet, rlogin, and raw socket connection. It can also connect to a se ...

– Client-only

Password management

* Bitwarden * KeePass * KeePassXC (multiplatform fork able to open KeePass databases) * Password Safe * Mitro * Pass

Other cybersecurity programs

Data storage and management

Disk cleaning utilities

* BleachBit

Backup software

Database management systems (including administration)

* Apache Cassandra – A

NoSQL NoSQL (originally meaning "Not only SQL" or "non-relational") refers to a type of database design that stores and retrieves data differently from the traditional table-based structure of relational databases. Unlike relational databases, which ...

database In computing, a database is an organized collection of data or a type of data store based on the use of a database management system (DBMS), the software that interacts with end users, applications, and the database itself to capture and a ...

from

Apache Software Foundation The Apache Software Foundation ( ; ASF) is an American nonprofit corporation (classified as a 501(c)(3) organization in the United States) to support a number of open-source software projects. The ASF was formed from a group of developers of the ...

offers support for clusters spanning multiple datacenter * Apache CouchDB – A

from

with multi-master replication * MariaDB – A community-developed relational database management system with pluggable storage engines and commercial support *

PostGIS PostGIS ( ) is an open source software program that adds support for geographic objects to the PostgreSQL object-relational database. PostGIS follows the Simple Features for SQL specification from the Open Geospatial Consortium (OGC). PostGIS is ...

– Adds support for geographic objects to the PostgreSQL as per

Open Geospatial Consortium The Open Geospatial Consortium (OGC) is an international voluntary consensus standards organization that develops and maintains international standards for geospatial content and location-based services, sensor web, Internet of Things, Geographi ...

(OGC) * PostgreSQL – A

relational database management system A relational database (RDB) is a database based on the relational model of data, as proposed by E. F. Codd in 1970. A Relational Database Management System (RDBMS) is a type of database management system that stores data in a structured for ...

emphasizes on extensibility and SQL compliance and available for

, FreeBSD, and OpenBSD

Data mining

* Environment for DeveLoping KDD-Applications Supported by Index-Structures (ELKI) – Data mining software framework written in

Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...

with a focus on clustering and outlier detection methods * FrontlineSMS – Information distribution and collecting via

text messaging Text messaging, or texting, is the act of composing and sending electronic messages, typically consisting of alphabetic and numeric characters, between two or more users of mobile phones, tablet computers, smartwatches, desktops/laptops, or ...

( SMS) * Konstanz Information Miner (KNIME) * OpenNN – Open-source neural network software library written in C++ * Orange (software) – Data visualization and data mining for novice and experts, through visual programming or Python scripting. Extensions for bioinformatics and text mining *

RapidMiner RapidMiner is a data science platform that analyses the collective impact of an organization's data. It was acquired by Altair Engineering in September 2022. History RapidMiner, formerly known as YALE (Yet Another Learning Environment), was deve ...

– Data mining software written in Java, fully integrating Weka, featuring 350+ operators for preprocessing, machine learning, visualization, etc. – the ''prior'' version is available as open-source * Scriptella ETL – ETL (Extract-Transform-Load) and script execution tool. Supports integration with J2EE and Spring. Provides connectors to CSV, LDAP, XML, JDBC/ODBC, and other data sources * Weka – Data mining software written in Java featuring machine learning operators for classification, regression, and clustering * JasperSoft – Data mining with programmable abstraction layer

Data Visualization Components

* ParaView – Plotting and visualization functions developed by Sandia National Laboratory; capable of massively parallel flow visualization utilizing multiple computer processors * VTK – Toolkit for 3D computer graphics, image processing, and visualisation.

Digital Asset Management software system

Disk partitioning software

GParted GParted is a GTK front-end to GNU Parted and an official GNOME partition-editing application (alongside GNOME Disks, Disks). GParted is used for creating, deleting, resizing, moving, checking, and copying Partition (computing), disk partitions a ...

* FIPS (computer program) * TestDisk

Enterprise search engines

* ApexKB, formerly known as Jumper * Lucene * Nutch * Solr * Xapian

ETLs (Extract Transform Load)

* Konstanz Information Miner (KNIME) * Pentaho

File archivers

* PeaZip * 7-Zip

File systems

* OpenAFS –

Distributed file system A clustered file system (CFS) is a file system which is shared by being simultaneously Mount (computing), mounted on multiple Server (computing), servers. There are several approaches to computer cluster, clustering, most of which do not emplo ...

supporting a very wide variety of operating systems * Tahoe-LAFS – Distributed file system/ Cloud storage system with integrated privacy and security features * CephFS – Distributed file system included in the Ceph storage platform.

Desktop publishing

* Collabora Online Draw and Writer – Enterprise-ready edition of LibreOffice accessible from a web browser. The Draw application is for flyers, newsletters, brochures and more, Writer has most of the functionality too. * Scribus – Designed for layout, typesetting, and preparation of files for professional-quality image-setting equipment. It can also create animated and interactive PDF presentations and forms. * LyX – A "What You See Is What You Mean" document creation system, LyX makes use of the

LaTeX Latex is an emulsion (stable dispersion) of polymer microparticles in water. Latices are found in nature, but synthetic latices are common as well. In nature, latex is found as a wikt:milky, milky fluid, which is present in 10% of all floweri ...

markup macro system for

TeX Tex, TeX, TEX, may refer to: People and fictional characters * Tex (nickname), a list of people and fictional characters with the nickname * Tex Earnhardt (1930–2020), U.S. businessman * Joe Tex (1933–1982), stage name of American soul singer ...

, allowing the elegant creation of documents which match up with the layouts in it for various document classes.

E-book management and editing

* Calibre – Cross-platform suite of

ebook An ebook (short for electronic book), also spelled as e-book or eBook, is a book publication made available in electronic form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. A ...

software * Collabora Online Writer – Enterprise-ready edition of LibreOffice accessible from a web browser. Allows exporting in the

EPUB EPUB is an e-book file format that uses the ".epub" file extension. The term is short for ''electronic publication'' and is sometimes stylized as ''ePUB''. EPUB is supported by many e-readers, and compatible software is available for most smart ...

format. * Sigil – Editing software for e-books in the

format

Education

E-learning, learning support

* ATutor – Web-based Learning Content Management System (LCMS) * Canvas LMS – Web-based, open, extensible learning management system * Chamilo – Web-based e-learning and content management system * Claroline – Collaborative Learning Management System * DoceboLMS – SAAS/cloud platform for learning * eFront – Icon-based learning management system * H5P – Framework for creating and sharing interactive HTML5 content * IUP Portfolio – Educational platform for Swedish schools * ILIAS – Web-based learning management system (LMS) * Moodle – Free and open-source learning management system * OLAT – Web-based Learning Content Management System * Omeka – Content management system for online digital collections * openSIS – Web-based Student Information and School Management system * Sakai Project – Web-based learning management system * SWAD – Web-based learning management system

Academic advising

* FlightPath – Academic advising software for universities

Educational suites for children

* Tux Paint – Painting application for 3–12 year olds * GCompris – Educational entertainment, aimed at children aged 2–10

Language

* Alpheios Project * Anki (software) * FirstVoices * Kiten

Operating systems

- Unix-based general use OS * UberStudent – Linux-based operating system and software suite for academic studies * MAX (operating system) * Edubuntu

Mind mapping & others

* Vym (software) * Compendium (software) * Gnaural – Brainwave entrainment software

Offline learning & Open data

* Kiwix: A free and open-source offline web browser that allows users download Wikipedia entire content and use for offline learning, later was expanded with repositories for Wikimedia Foundation, public domain texts from Project Gutenberg, many of the Stack Exchange sites, and other resources. *

OpenStreetMap OpenStreetMap (abbreviated OSM) is a free, Open Database License, open geographic database, map database updated and maintained by a community of volunteers via open collaboration. Contributors collect data from surveying, surveys, trace from Ae ...

: OpenStreetMap was developed in 2004, it uses

Open data Open data are data that are openly accessible, exploitable, editable and shareable by anyone for any purpose. Open data are generally licensed under an open license. The goals of the open data movement are similar to those of other "open(-so ...

and users data input through

Crowdsourcing Crowdsourcing involves a large group of dispersed participants contributing or producing goods or services—including ideas, votes, micro-tasks, and finances—for payment or as volunteers. Contemporary crowdsourcing often involves digit ...

and

Web mapping Web mapping or an online mapping is the process of using, creating, and distributing maps on the World Wide Web (the Web), usually through the use of Web GIS, Web geographic information systems (Web GIS). A web map or an online map is both served ...

to create a complete and downloadable alternative to other online maps, this allow users to enter data when there is no data available due to lack of governance and economic interest or due lower population of the places mapped

Typing

* KTouch – Touch typing lessons with a variety of keyboard layouts * Tux Typing – Typing tutor for children, featuring two games to improve typing speed

Engineering

* Advanced Simulation Library * ASCEND * Calculix * CHEMKIN - chemical kinetics * COCO simulator - chemical process simulator * CP2K -

quantum chemistry Quantum chemistry, also called molecular quantum mechanics, is a branch of physical chemistry focused on the application of quantum mechanics to chemical systems, particularly towards the quantum-mechanical calculation of electronic contributions ...

and

solid-state physics Solid-state physics is the study of rigid matter, or solids, through methods such as solid-state chemistry, quantum mechanics, crystallography, electromagnetism, and metallurgy. It is the largest branch of condensed matter physics. Solid-state phy ...

* DWSIM - chemical process simulator * General Mission Analysis Tool (GMAT) - space mission analysis * GNU Octave - numerical-analysis * GROMACS - simulations of

protein Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residue (biochemistry), residues. Proteins perform a vast array of functions within organisms, including Enzyme catalysis, catalysing metab ...

lipid Lipids are a broad group of organic compounds which include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E and K), monoglycerides, diglycerides, phospholipids, and others. The functions of lipids include storing ...

s, and

nucleic acid Nucleic acids are large biomolecules that are crucial in all cells and viruses. They are composed of nucleotides, which are the monomer components: a pentose, 5-carbon sugar, a phosphate group and a nitrogenous base. The two main classes of nuclei ...

s. * JSBSim -

flight dynamics Flight dynamics in aviation and spacecraft, is the study of the performance, stability, and control of vehicles flight, flying through the air or in outer space. It is concerned with how forces acting on the vehicle determine its velocity and at ...

engine An engine or motor is a machine designed to convert one or more forms of energy into mechanical energy. Available energy sources include potential energy (e.g. energy of the Earth's gravitational field as exploited in hydroelectric power ge ...

* LAMMPS -

Molecular dynamics Molecular dynamics (MD) is a computer simulation method for analyzing the Motion (physics), physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a fixed period of time, giving a view of the dynamics ( ...

* Open Babel - chemical informatics * OpenModelica - chemical process simulator * OpenSees - earthquake engineering * OpenVSP - parametric aircraft geometry tool * Pyomo -

mathematical optimization Mathematical optimization (alternatively spelled ''optimisation'') or mathematical programming is the selection of a best element, with regard to some criteria, from some set of available alternatives. It is generally divided into two subfiel ...

* REFPROP - Reference Fluid Thermodynamic and Transport Properties * XFOIL - analysis of subsonic isolated

airfoil An airfoil (American English) or aerofoil (British English) is a streamlined body that is capable of generating significantly more Lift (force), lift than Drag (physics), drag. Wings, sails and propeller blades are examples of airfoils. Foil (fl ...

File formats

2D

Raster imagery

* .apng - Animated Portable Network Graphics * .avif - AV1 Image File Format * .bpg - Better Portable Graphics * .exr - OpenEXR * .fits - Flexible Image Transport System primarily for

Astronomy Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to explain their origin and their overall evolution. Objects of interest includ ...

* .flif - Free Lossless Image Format * .gif -

Graphics Interchange Format The Graphics Interchange Format (GIF; or , ) is a bitmap image format that was developed by a team at the online services provider CompuServe led by American computer scientist Steve Wilhite and released on June 15, 1987. The format can ...

* .iff / .lbm - InterLeaved BitMap * .jng - JPEG Network Graphics * .jpg or .jpeg -

Joint Photographic Experts Group The Joint Photographic Experts Group (JPEG) is the joint committee between ISO/ IEC JTC 1/ SC 29 and ITU-T Study Group 16 that created and maintains the JPEG, JPEG 2000, JPEG XR, JPEG XT, JPEG XS, JPEG XL, and related digital image standard ...

* .jxl - JPEG XL * .mng - Multiple-image Network Graphics * .miff / .mi - Magick Image File Format * .pam, .pbm, .pgm, .ppm, .pnm - Netpbm file formats * .pgf - Progressive Graphics File * .png -

Portable Network Graphics Portable Network Graphics (PNG, officially pronounced , colloquially pronounced ) is a raster graphics, raster-graphics file graphics file format, format that supports lossless data compression. PNG was developed as an improved, non-patented ...

* .qoi - Quite OK Image Format * .tiff - Tag Image File Format * .wbmp - Wireless Application Protocol Bitmap Format * .webp * .xbm - X BitMap * .xcf - GIMP * .xpm - X PixMap

Vector imagery

* .cgm - Computer Graphics Metafile * .eps - Encapsulated PostScript * .pdf -

Portable Document Format Portable document format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating syste ...

* .pgml - Precision Graphics Markup Language * .svg - Scalable Vector Graphics * .vml - Vector Markup Language, deprecated by SVG. * .xar - Xar (graphics)

3D

* .3mf - 3D Manufacturing Format * .amf - Additive manufacturing file format * .blend - Blender * .dae - COLLADA * .dxf - Drawing Exchange Format, publicly documented format, developers can work with it in open-source projects, though not fully open-source itself. * .fbx * .gltf/.glb - Graphics Library Transmission Format * .hdr - Radiance HDR * .ifc -

Industry Foundation Classes The Industry Foundation Classes (IFC) is a CAD data exchange data schema intended for description of architectural, building and construction industry data (ABCII). The IFC file format is based on ISO 10303-21 standard and definitions of ABCII are ...

* .iges - Initial Graphics Exchange Specification * .obj - developed by Wavefront Technologies * .off - Object File Format * .ply - Polygon File Format * .rad - Radiance * .step/.stp * .stl * .usd - Universal Scene Description * .vrml - Virtual Reality Modeling Language * .x3d

Video

* .mkv - Matroska * .ogv - Theora * .vp8 * .vp9 * .webm

Audio

* .aiff - Audio Interchange File Format * .flac - Free Lossless Audio Codec * .ogg * .opus * .wav

Document & Text

* .adoc - AsciiDoc * .epub -

Ebook An ebook (short for electronic book), also spelled as e-book or eBook, is a book publication made available in electronic form, consisting of text, images, or both, readable on the flat-panel display of computers or other electronic devices. A ...

format * .latex - , macro package built on top of

for simplification. * .md - Markdown * .odt -

OpenDocument The Open Document Format for Office Applications (ODF), also known as OpenDocument, standardized as ISO 26300, is an open file format for word processor, word processing documents, spreadsheets, Presentation program, presentations and ...

* .rtf -

Rich Text Format ) As an example, the following RTF code would be rendered as follows: This is some bold text. Character encoding A standard RTF file can only consist of 7-bit ASCII characters, but can use escape sequences to encode other characters. ...

* .tex - high-quality

typography Typography is the art and technique of Typesetting, arranging type to make written language legibility, legible, readability, readable and beauty, appealing when displayed. The arrangement of type involves selecting typefaces, Point (typogra ...

for

mathematical notation Mathematical notation consists of using glossary of mathematical symbols, symbols for representing operation (mathematics), operations, unspecified numbers, relation (mathematics), relations, and any other mathematical objects and assembling ...

physics Physics is the scientific study of matter, its Elementary particle, fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge whi ...

chemistry Chemistry is the scientific study of the properties and behavior of matter. It is a physical science within the natural sciences that studies the chemical elements that make up matter and chemical compound, compounds made of atoms, molecules a ...

engineering Engineering is the practice of using natural science, mathematics, and the engineering design process to Problem solving#Engineering, solve problems within technology, increase efficiency and productivity, and improve Systems engineering, s ...

scientific notation Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form, since to do so would require writing out an inconveniently long string of digits. It may be referred to as scientif ...

. * .texinfo

Web and Interactive Media

* .css - Cascading Style Sheets * .html -

HyperText Markup Language Hypertext Markup Language (HTML) is the standard markup language for documents designed to be displayed in a web browser. It defines the content and structure of web content. It is often assisted by technologies such as Cascading Style Sheet ...

* .json - GeoJSON, JSON-LD,

JSON-RPC JSON-RPC (JavaScript Object Notation-Remote Procedure Call) is a JSON-based wire protocol for remote procedure calls (RPC). It is similar to the XML-RPC protocol, defining only a few data types and commands. JSON-RPC allows for notifications (data ...

, JsonML, Smile, UBJSON. * .mml - MathML

Database & Data Storage

* .avro - Apache Avro * .cml - Chemical Markup Language * .csv -

Comma-separated values Comma-separated values (CSV) is a text file format that uses commas to separate values, and newlines to separate records. A CSV file stores Table (information), tabular data (numbers and text) in plain text, where each line of the file typically r ...

* .hdf5 - Hierarchical Data Format * .ods - OpenDocument Spreadsheet * .orc - Apache ORC * .parquet - Apache Parquet * .protobuf - Protocol Buffers developed by

* .shp - Shapefile * .sqlite - SQLite * .tsv - Tab-separated values * .xml -

Extensible Markup Language Extensible Markup Language (XML) is a markup language and file format for storing, transmitting, and reconstructing data. It defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. The Wor ...

File managers

Finance

Accounting

* GnuCash – Double-entry book-keeping * HomeBank – Personal accounting software * KMyMoney – Double-entry book-keeping * LedgerSMB – Double-entry book-keeping * RCA open-source application – management accounting application * SQL Ledger – Double-entry book-keeping * TurboCASH – Double-entry book-keeping for Windows

Cryptocurrency

Bitcoin Bitcoin (abbreviation: BTC; Currency symbol, sign: ₿) is the first Decentralized application, decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 when an unknown entity published a white paper under ...

– Blockchain platform, peer-to-peer decentralised digital currency * Ethereum – Blockchain platform with smart contract functionality

CRM

* CiviCRM – Constituent Relationship Management software aimed at NGOs * iDempiere – Business Suite, ERP and CRM * SuiteCRM – Web-based CRM

ERP

* Adempiere – Enterprise resource planning (ERP) business suite * Apache OFBiz – A suite of enterprise applications from

* Compiere – ERP solution automates accounting, supply chain, inventory, and sales orders * Dolibarr – Web-based ERP system * ERPNext – Web-based open-source ERP system for managing accounting and finance * ERP5 – Single Unified Business Model based system written with Python and Zope * iDempiere – Fully navigable on PCs, tablets and smartphones driven only by a community of supporters * JFire – An ERP business suite written with

and JDO * LedgerSMB – A double entry

accounting Accounting, also known as accountancy, is the process of recording and processing information about economic entity, economic entities, such as businesses and corporations. Accounting measures the results of an organization's economic activit ...

and ERP system written with

Perl Perl is a high-level, general-purpose, interpreted, dynamic programming language. Though Perl is not officially an acronym, there are various backronyms in use, including "Practical Extraction and Reporting Language". Perl was developed ...

* metasfresh – ERP Software * Odoo – Open-source ERP, CRM and CMS * Openbravo – Web-based ERP * Tryton – Open-source ERP

Human resources

* OrangeHRM – Commercial human resource management

Microfinance

* Mifos –

Microfinance Microfinance consists of financial services targeting individuals and small businesses (SMEs) who lack access to conventional banking and related services. Microfinance includes microcredit, the provision of small loans to poor clients; saving ...

Institution management software

Process management

* Bonita Open Solution – Business Process Management

Games

Game engines

* A-Frame (VR) * Adventure Game Studio * Alpha One * Ardor3D * Babylon.js * Blend4Web * Blender Game Engine * ClanLib * Cocos2d * Crystal Space * Cube Engine * Cube 2 engine * Dagor Engine * Defold * Delta3D * Dim3 * DimensioneX Multiplayer Engine * Flixel * Game Editor * GDevelop * Godot * Horde3D * id Tech 1-4 * Irrlicht * ioquake3 * Jake2 * Java 3D * jMonkeyEngine * Kivy * LayaAir * LibGDX * LÖVE *

Moai Moai or moʻai ( ; ; ) are monolithic human figures carved by the Rapa Nui people on Easter Island, Rapa Nui (Easter Island) in eastern Polynesia between the years 1250 and 1500. Nearly half are still at Rano Raraku, the main moai quarry, but h ...

* Monkey X * MonoGame * Open 3D Engine * OGRE * OHRRPGCE * ONScripter * OpenClonk * OpenMW *

OpenSimulator OpenSimulator is an open-source software, open-source server platform originally launched in 2007 for hosting virtual worlds and metaverse environments. It is largely compatible with the virtual world ''Second Life'' but full compatibility is ...

* ORX * Panda3D * Phaser * PlayCanvas * PlayN * Pygame * Quake II engine * Ren'Py * Solar2D * Starling Framework * StepMania * Stratagus * Stride * Three.js * TIC-80 * Torque3D * Turbulenz engine * Twine * Visual Pinball * Wintermute Engine

Physics engines

* Box2D *

Bullet A bullet is a kinetic projectile, a component of firearm ammunition that is shot from a gun barrel. They are made of a variety of materials, such as copper, lead, steel, polymer, rubber and even wax; and are made in various shapes and constru ...

* Cannon.js * Chipmunk * Newton Game Dynamics *

OPAL Opal is a hydrated amorphous form of silicon dioxide, silica (SiO2·''n''H2O); its water content may range from 3% to 21% by weight, but is usually between 6% and 10%. Due to the amorphous (chemical) physical structure, it is classified as a ...

* Open Dynamics Engine * Physics Abstraction Layer * NVIDIA PhysX * Phyz * Project Chrono *

Tokamak A tokamak (; ) is a device which uses a powerful magnetic field generated by external magnets to confine plasma (physics), plasma in the shape of an axially symmetrical torus. The tokamak is one of several types of magnetic confinement fusi ...

Shader languages

* ARB assembly language * Cg * OpenGL Shading Language * Open Shading Language * Standard Portable Intermediate Representation

Action

* *'' Nexuiz –

First-person shooter A first-person shooter (FPS) is a video game genre, video game centered on gun fighting and other weapon-based combat seen from a First person (video games), first-person perspective, with the player experiencing the action directly through t ...

.'' * OpenArena –

. *'' Red Eclipse –

.'' *'' Tremulous –

.'' *'' Unvanquished –

.'' * Xonotic –

that runs on a heavily modified version of the Quake engine known as the DarkPlaces engine * ''Warsow'' –

fast-paced arena FPS game that runs on the

Qfusion The ''Quake II'' engine (part of id Tech 2) is a game engine developed by id Software for use in their 1997 first-person shooter ''Quake II''. It is the successor to the Quake engine, ''Quake'' engine. Since its release, the ''Quake II'' engine ...

engine

Application layer

WINE Wine is an alcoholic drink made from Fermentation in winemaking, fermented fruit. Yeast in winemaking, Yeast consumes the sugar in the fruit and converts it to ethanol and carbon dioxide, releasing heat in the process. Wine is most often made f ...

– Allows

applications to be run on

Unix-like A Unix-like (sometimes referred to as UN*X, *nix or *NIX) operating system is one that behaves in a manner similar to a Unix system, although not necessarily conforming to or being certified to any version of the Single UNIX Specification. A Uni ...

operating systems

Chess

* ChessV *

Fairy-Max XBoard is a graphical user interface chessboard for chess engines under the X Window System. It is developed and maintained as free software by the GNU project. WinBoard is a port of XBoard to run natively on Microsoft Windows. Overview Original ...

* GNU Chess * PyChess * XBoard * Lichess

Educational games

* GCompris – software suite comprising educational entertainment software for children aged 2 to 10 * Tux, of Math Command * Tux Paint

Video game emulation

MAME MAME (formerly an acronym of Multiple Arcade Machine Emulator) is a free and open-source emulator designed to emulate the hardware of arcade games, video game consoles, old computers and other systems in software on modern personal computers and ...

– Multi-platform

emulator In computing, an emulator is Computer hardware, hardware or software that enables one computer system (called the ''host'') to behave like another computer system (called the ''guest''). An emulator typically enables the host system to run sof ...

designed to recreate the hardware of

arcade game An arcade game or coin-op game is a coin-operated entertainment machine typically installed in public businesses such as restaurants, bars and amusement arcades. Most arcade games are presented as primarily game of skill, games of skill and in ...

systems * MESS – Multi-platform

designed to recreate the hardware of video game consoles * RetroArch – Cross-platform front-end for emulators, game engines and

video games A video game or computer game is an electronic game that involves interaction with a user interface or input device (such as a joystick, game controller, controller, computer keyboard, keyboard, or motion sensing device) to generate visual fe ...

* Snes9x – A Super Nintendo emulator * Stella – Atari 2600 emulator * PCSX – A

PlayStation emulator A video game console emulator is a type of emulator that allows a computing device to emulate a video game console's hardware and play its games on the emulating platform. More often than not, emulators carry additional features that surpass ...

designed to recreate the hardware of the original

PlayStation is a video gaming brand owned and produced by Sony Interactive Entertainment (SIE), a division of Japanese conglomerate Sony. Its flagship products consists of a series of home video game consoles produced under the brand; it also consists ...

system * PCSX2 – A

PlayStation 2 The PlayStation 2 (PS2) is a home video game console developed and marketed by Sony Interactive Entertainment, Sony Computer Entertainment. It was first released in Japan on 4 March 2000, in North America on 26 October, in Europe on 24 Novembe ...

designed to recreate the hardware of

system * PPSSPP – A PlayStation Portable

designed to recreate the hardware of PlayStation Portable system * Project64 – A Nintendo 64 emulator * RPCS3 – A

PlayStation 3 The PlayStation 3 (PS3) is a home video game console developed and marketed by Sony Computer Entertainment (SCE). It is the successor to the PlayStation 2, and both are part of the PlayStation brand of consoles. The PS3 was first released on ...

designed to recreate the hardware of

system * Dolphin (emulator) – A

GameCube The is a PowerPC-based home video game console developed and marketed by Nintendo. It was released in Japan on September 14, 2001, in North America on November 18, 2001, in Europe on May 3, 2002, and in Australia on May 17, 2002. It is the suc ...

and Wii

designed to recreate the hardware of

and Wii systems * Citra (emulator) – A Nintendo 3DS and Wii

designed to recreate the hardware of Nintendo 3DS systems *Cemu – A Wii U

designed to recreate the hardware of Wii U systems * TIC-80 – virtual machine game engine that mimics the 8-bit computing, 8-bit systems of the 1980s

Music video games

* Frets on Fire

Karaoke

* UltraStar

Rhythm game

* StepMania

Puzzle

*Pingus – Lemmings (video game), ''Lemmings'' alternative with penguins instead of lemmings

Sandbox

*Luanti – An open source voxel game engine

Snake games

*GLtron

Simulation

* Endless Sky – Space trading and combat simulation * FlightGear – Flight simulator *OpenTTD – Business simulation game in which players try to earn money via transporting passengers and freight by road, rail, water and air *SuperTuxKart – Kart racing game that features mascots of various open-source projects

Strategy

*0 A.D. (video game), ''0 A.D.'' – Real-time strategy video game *Freeciv – Turn-based strategy game inspired by proprietary Sid Meier's Civilization (series), Civilization series *Glest *The Battle for Wesnoth – Turn-based strategy video game with fantasy setting

Genealogy

* Gramps (software) – a free and open source genealogy software * Legacy Family Tree – a freeware genealogy software

Geographic information systems

* QGIS – cross-platform desktop geographic information system (GIS) application to view, edit, and analyse geospatial data

Graphical user interface

Desktop environments

Window managers

Windowing system

Groupware

Content management systems

Wiki software

Healthcare software

Integrated library management software

* Evergreen (software), Evergreen – Integrated Library System initially developed for the Georgia (U.S. state), Georgia Public Library Service's PINES catalog * Koha (software), Koha – SQL-based library management * NewGenLib * OpenBiblio * PhpMyBibli, PMB * refbase – Web-based institutional repository and reference management software

Image editor

* Darktable – Digital image workflow management, including RAW photo processing * digiKam – Integrated photography toolkit including editing abilities * GIMP – Raster graphics editor aimed at image retouching/editing * Hugin (software), Hugin – panorama stitching * Inkscape – Vector graphics editor * Karbon (software), Karbon – Scalable vector drawing application in KDE * Krita – Digital painting, sketching and 2D animation application, with a variety of brush engines * LazPaint – Lightweight raster and vector graphics editor, aimed at being simpler to use than GIMP * LightZone – Free, open-source digital photo editor software application. * Luminance HDR – Multi-exposure HDR capture, high dynamic range images * RawTherapee – Digital image workflow management aimed at RAW photo processing

Maps & Navigation

– open geographic database updated and maintained by a community of volunteers via open collaboration.

Mathematics

* ALTRAN * FriCAS * GAP (computer algebra system) * GiNaC * gnuplot * Maxima (software), Maxima * Mathomatic * Normaliz * SageMath * Singular (software) * SymPy * Yacas

Computer algebra systems

* Axiom (computer algebra system), Axiom * Cadabra (computer program), Cadabra * Cambridge Algebra System * CPMP-Tools * CoCoA * Erable * PARI/GP * Reduce (computer algebra system), Reduce * Xcas

Cryptography

Physics

Computational electromagnetics

* Meep (software), Meep * Elmer FEM solver * Numerical Electromagnetics Code

Computational fluid dynamics

* Code_Saturne * FEATool Multiphysics * MFEM * Nek5000 * Nektar++ * OpenFOAM * SU2 code

Computational particle physics

* CompHEP * UrQMD * APFEL (software), APFEL * Geant4

Computational astrophysics

* Astropy * CMBFAST * GADGET

Monte Carlo method

* CP2K * EGS (program), EGS * MCSim * McStas * McXtrace * MPMC * TARDIS (software), TARDIS

symbolic manipulation systems

* FORM (symbolic manipulation system)

Statistics

* R (programming language), R – Statistics software

Numerical analysis

* Octave (language), Octave – Numerical analysis software * Scilab – Numerical analysis software

Geometry

* Geogebra – Geometry and algebra * C.a.R. * CaRMetal * DrGeo * Kig (software), Kig * KSEG (software), KSEG

Plot (graphics), Plotting software

* Chart.js * D3.js * ggplot2 * Graphics Layout Engine * Gnuplot * Grace (plotting tool), Grace * Matplotlib * Plotly * PLplot * PyX * ROOT * SciDAVis * Vega and Vega-Lite visualisation grammars, Vega

Charting

* JFreeChart * Matplotlib * R (programming language), R

Mathematical notation software

* AUCTeX * Apache OpenOffice#Components, Apache OpenOffice Math * AsciiMath * Calligra Words#Formula editor, Calligra Words - Formula editor * GeoGebra * GNOME LaTeX * GNU TeXmacs * Gummi (software), Gummi * KaTeX * Kile *

* LibreOffice Math#Included applications in LibreOffice, LibreOffice Math * LyX * MathJax * MathML * Notepad++ * Overleaf *

* TeX Live * Texmaker * TeXnicCenter * TeXShop * TeXstudio * TeXworks * Vim (text editor), Vim

Mathematical art software

* Apophysis (software), Apophysis * Electric Sheep * Fyre (software), Fyre * MilkDrop * openPlaG * XaoS * R (programming language), R / R (programming language)#Mandelbrot set, R Mandelbrot sets * Picogen * GeoGebra * Processing (programming language), Processing * P5.js * matplotlib * gnuplot * Inkscape#Object creation, Inkscape spirograph *

- PGF/TikZ * 3Blue1Brown#Manim, Manim * D3.js

Spreadsheet

* Collabora Online, Collabora Online Calc – spreadsheet component of the Collabora Online package * LibreOffice Calc – spreadsheet component of the LibreOffice package * Gnumeric – spreadsheet program of the GNOME Project * Calligra Sheets – spreadsheet component of the Calligra Suite in KDE * Pyspread – spreadsheet which uses Python for macro programming, and allows each cell to contain data, the results of a calculation, a Python program, or the results of a Python program.

Mobile software

* Celestia (Android, iOS) * Calligra (Android) * Collabora Online, Collabora Office (Android, ChromeOS, iOS, iPadOS) * CoMaps (Android, iOS) * Conversations (software), Conversations (Android) * F-Droid (Android) – app store and software repository * I2P (Android) – anonymous network layer (implemented as a mix network) that allows for Internet censorship circumvention, censorship-resistant, peer-to-peer communication. * Kiwix: Offline web browser that allows users to download the entire content of Wikipedia for offline learning purposes. (Android) * Krita (Android) * Linphone (Android, iOS) * :fr:Monal_(logiciel), Monal (iOS) * Kali NetHunter#NetHunter App Store, NetHunter App Store (Android) – fork of F-Droid for Kali NetHunter * OpenVPN (Android, iOS) – virtual private network (VPN) system that implements techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It implements both Client-server architecture, client and server applications. * Orbot (Android, iOS) – Free software, free Proxy server, proxy Mobile app, app that provides anonymity on the Internet for users of the Android (operating system), Android and iOS Operating system, operating systems. It allows traffic from apps such as web browsers, email clients, map programs, and others to be routed via the Tor network. * Organic Maps (Android, iOS) * OsmAnd (Android) * Conversations (software)#Quicksy, Quicksy (Android) * Stellarium (software), Stellarium (Android, iOS) * Tor Browser – onion-routed browser by The Tor Project, based on Firefox ESR * VLC media player, VLC (Android, iOS) * Wikipedia (Android, iOS) – See also: List of Wikipedia mobile applications

Media

Audio editors, audio management

* Audacity (audio editor), Audacity * Ardour (software) , Ardour: Professional digital audio workstation * LMMS: Digital audio workstation

CD/USB-writing software

* Brasero (software) * cdrtools * K3b * X-CD-Roast

Flash animation

*Pencil2D – For animations *SWFTools – For scripting

Game engines

* Blender Game Engine – Discontinued 2019 * Godot – Application for the design of cross-platform video games * MonoGame – C Sharp (programming language), C# framework *Open 3D Engine, Open3DEngine – Based on Amazon Lumberyard * Stride – (prev. Xenko) 2D and 3D cross-platform game engine originally developed by Silicon Studio

Chess engines

*KnightCap *Leela Chess Zero – Universal Chess Interface chess engine *Stockfish (chess), Stockfish – Universal Chess Interface chess engine

Graphics

2D

*Pencil2D – Simple 2D graphics and animation program *Synfig – 2D vector graphics and timeline based animation *TupiTube (formerly KTooN) – Application for the design and creation of animation *OpenToonz – Part of a family of 2D animation software *Krita – Digital painting, sketching and 2D animation application, with a variety of brush engines * Blender – Computer graphics software, Blender's Grease Pencil tools allow for 2D animation within a full 3D pipeline. *mtPaint – raster graphics editor for creating Icon (computing), icons, pixel art

3D

* Blender – Computer graphics software featuring modeling, sculpting, texturing, rigging, simulation, rendering, camera tracking, video editing, and compositing * FreeCAD * MakeHuman *OpenFX (software), OpenFX – Modeling and animation software with a variety of built-in post processing effects *Picogen – Scenery generator, terrain generator *Seamless3d – Node-driven 3D modeling software * Wings 3D – Subdivision surface, subdivision modeler inspired by N-World, Nendo and Mirai (software), Mirai from Izware.

3D rendering

* Aqsis * Blender (software)#Cycles, Cycles and Blender (software)#EEVEE, EEVEE – Blender rendering * LuxCoreRender * MoonRay * POV-Ray * Radiance * Sunflow

Image galleries

* Shotwell (software), Shotwell * Wikimedia Commons

Image viewers

*Eye of GNOME *F-spot *feh (image viewer), feh *Geeqie *Gthumb *Gwenview *KPhotoAlbum *Opticks (software), Opticks

Maps

* GeoDa * GeoServer * GeoTools * GRASS GIS * GvSIG * ILWIS * JUMP GIS * Kosmo (GIS) * Libre Map Project * MapWindow GIS * Mapnik * MapServer * Marble (software), Marble *

* OpenLayers *

* QGIS * SAGA GIS * uDig * Whitebox Geospatial Analysis Tools

Multimedia codecs, containers, splitters

Music

Subtitle

* Aegisub * Gnome Subtitles * Subtitle Edit

Television

Video converters

*Dr. DivX *FFmpeg *MEncoder *OggConvert

Video editing

*Avidemux *AviSynth * Blender *Cinelerra *Flowblade *Kdenlive *Kino (software), Kino *LiVES *Losslesscut, LosslessCut *Natron (software), Natron *Olive (software), Olive *OpenShot *Open Movie Editor *Pitivi *Shotcut *VirtualDub *VirtualDubMod *VLMC#VLMC, VideoLAN Movie Creator

DVD authoring

*DeVeDe *DVD Flick *DVDStyler

Screencast

* recordMyDesktop *Open Broadcaster Software (OBS Studio) – Cross-platform streaming and recording program

Other media packages

*Celtx – Media pre-production software

Ripping

* K9Copy * Thoggen

Video encoders

*Avidemux *HandBrake *FFmpeg *OggConvert

Video players

*Media Player Classic *VLC media player * mpv (media player), mpv

Networking and Internet

Advertising

*Revive Adserver

Communication-related

*Asterisk PBX, Asterisk – Telephony and Voice over IP, VoIP server *Ekiga – Video conferencing application for GNOME and Microsoft Windows *Conference XP, ConferenceXP – video conferencing application for Windows XP or later *:fr:Dino_(logiciel), Dino - XMPP, xmpp client, supporting both OMEMO encryption and Jingle (protocol), Jingle Conference call, Audio/Videotelephony, Video protocol, under

and Berkeley Software Distribution, BSD. *FreePBX – Front-end and advanced PBX configuration for Asterisk PBX, Asterisk *FreeSWITCH – Telephony platform *Gajim – xmpp client *I2P – anonymous network layer (implemented as a mix network) that allows for Internet censorship circumvention, censorship-resistant, peer-to-peer communication. *Jami (software), Jami – Cross-platform, peer to peer instant-messaging and video-calling protocol that offers end-to-end encryption and SIP client *Jitsi –

VoIP and Instant Messaging client *QuteCom – Voice, video, and IM client application *Enterprise Communications System sipXecs – SIP Communications Server *Slrn – News client, Newsreader *Telegram (software), Telegram *Twinkle (software), Twinkle – VoIP softphone *Tox (protocol), Tox – Cross-platform, peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption

E-mail

*Amavis – Email content filter *Claws Mail – Email Client *Fetchmail – Email Retrieval *Geary (software), Geary – Email client based on WebKitGTK+ *GNUMail – Cross-platform email client *Hula (software), Hula – Discontinued mail and calendar project *K-9 Mail – Android Email Client *MailScanner – Email security system *MH Message Handling System – Email Client *Modest (email client), Modest – Email Client *Mozilla Mail & Newsgroups – Email Client that was part of the now discontinued Mozilla Application Suite *Mozilla Thunderbird – Email, news, RSS, and chat client *POPFile – Cross-platform mail filter *Roundcube – Web-based IMAP email client *Sylpheed – Email and News Client *Sympa – Mailing list management software, MLA software

File transfer

* FileZilla, Filezilla

Grid and distributed processing

*GNU Queue *HTCondor *pexec

Instant messaging

IRC Clients

Middleware

*Apache Axis2 – Web service framework (implementations are available in both

& C) *Apache Geronimo – Application server * Bonita Open Solution – a J2EE web application and java BPMN2 compliant engine *GlassFish – Application server *Apache Tomcat – Servlet container and standalone webserver *JBoss – Application server *OpenRemote – IoT Middleware *TAO (software) – C++ implementation of the OMG's CORBA standard *Enduro/X – C/C++ middleware platform based on X/Open group's XATMI and XA standards

RSS, Atom readers, aggregators

*Akregator – Platforms running KDE *Liferea – Platforms running GNOME *NetNewsWire – macOS, iOS *RSS Bandit – Windows, using

framework *RSSOwl – Windows, macOS, Solaris, Linux using Java SWT Eclipse *Sage (Mozilla Firefox extension)

Peer-to-peer file sharing

*I2P – anonymous network layer (implemented as a mix network) that allows for Internet censorship circumvention, censorship-resistant, peer-to-peer communication. *Popcorn Time – Multi-platform, free, and open-source media player *qBittorrent – Alternative to popular clients such as μTorrent *Transmission (BitTorrent client), Transmission – BitTorrent client *Deluge (software), Deluge – BitTorrent client

Portal Server

*Drupal *Liferay *Sun Java System Portal Server *uPortal

Remote access and management

*NX technology, FreeNX *OpenVPN *rdesktop *Synergy (software), Synergy *Virtual Network Computing, VNC (RealVNC, TightVNC, UltraVNC) *Remmina (based on FreeRDP)

Routing software

Web browsers

Graphical

*Chromium (web browser), Chromium – web browser using the custom Blink (browser engine), Blink engine from which Google Chrome draws its source code *Brave (web browser), Brave – privacy-focused web browser based on Chromium browser *Falkon – web browser based on Blink engine, a KDE project *Firefox – Mozilla-developed web browser using Gecko (software), Gecko layout engine *Waterfox – Firefox Fork (software development), fork supporting legacy extensions, 64-bit only *Pale Moon – a customizable fork of Firefox *Tor Browser – onion-routed browser by The Tor Project, based on Firefox ESR *GNOME Web – WebKit-based web browser for the GNOME desktop environment *Midori (web browser), Midori – Lightweight web browser using the WebKit layout engine *qutebrowser – keyboard operated Webkit-based browser with Vi (text editor), vi-like keybindings *SeaMonkey, SeaMonkey Navigator – the SeaMonkey internet suite's web browser *Surf (web browser), Surf – a minimal Tab (interface), tab-less browser by suckless.org using WebKitGTK *Firefox Focus – privacy-focused mobile web browser from Mozilla available for Android (operating system), Android and iOS

Text-based

*Lynx (web browser), Lynx – a text-based web browser developed since 1992 *Links (web browser), Links – a Text-based user interface, text-based browser with a Linux framebuffer, framebuffer-based graphical mode *ELinks – fork of Links with JavaScript support

Webcam

*Cheese (software), Cheese – GNOME webcam application *Guvcview – Linux webcam application

Webgrabber

*cURL *HTTrack *Wget

Web-related

*Apache Cocoon – A web application framework *Apache Tomcat *Apache HTTP Server, Apache – The most popular web server *AWStats – Log file parser and analyzer *BookmarkSync – Tool for browsers *Caddy (web server), Caddy – an extensible, cross-platform, open-source web server written in Go. *Cherokee (web server), Cherokee – Fast, feature-rich HTTP server *curl-loader – Powerful HTTP/HTTPS/FTP/FTPS loading and testing tool *Docker (software), Docker – Docker Engine is open-source for

only *FileZilla – FTP *H2O (web server), H2O – supports HTTP/2, Transport Layer Security, TLS, and HTTP/2 Server Push, server push *Hiawatha (web server), Hiawatha – Secure, high performance, and easy-to-configure HTTP server *HTTP File Server – User-friendly file server software, with a drag-and-drop interface *lighttpd – Resource-sparing, but also fast and full-featured, HTTP Server *Lucee – CFML application server *Nginx – Lightweight, high performance web server/reverse proxy and e-mail (IMAP/POP3) proxy *NetKernel – Internet application server *Qcodo – PHP5 framework *Squid (software), Squid – Web proxy cache *thttpd – designed for simplicity, small memory footprint, and speed *Vaadin – Fast, Java-based framework for creating web applications *Varnish (software), Varnish – High-performance web application accelerator/reverse proxy and load balancer/HTTP router *XAMPP – Package of web applications including Apache HTTP Server, Apache and MariaDB * Zope – Web application server

Web search engines

*Searx – Self-hostable metasearch engine *YaCy – P2P-based search engine

Other networking programs

*JXplorer – Lightweight Directory Access Protocol, LDAP client *Nextcloud – A fork of ownCloud *OpenLDAP – Lightweight Directory Access Protocol, LDAP server *ownCloud – File share and sync server *Wireshark – Network monitor

Office software

Text editors

Spreadsheet software

Office suites

*Apache OpenOffice – The cross platform office productivity suite from

(ASF) consists of programs for word processing, spreadsheets, presentation, diagrams and drawings, databases, etc. *Calligra Suite – The office productivity suite from KDE consists of programs for word processing, spreadsheets, presentation, databases, vector graphics, and digital painting * Collabora Online – Enterprise-ready edition of LibreOffice, web application, mobile phone, tablet, Chromebook and desktop (Windows, macOS, Linux) *LibreOffice – The cross platform office productivity suite from The Document Foundation (TDF) consists of programs for word processing, spreadsheets, presentation, diagrams and drawings, databases, etc. *OnlyOffice#Desktop editors, OnlyOffice Desktop Editors – An open-source offline edition of the Cloud

PDF Editors

*PDFsam Basic edition - A free, open source, platform independent software designed to split, merge, mix, extract pages and rotate PDF files for Windows, Linux, MacOS. Open-source version of their commercial offering.

Operating systems

Be advised that available distributions of these systems can contain, or offer to build and install, added software that is neither free software nor open-source. * Berkeley Software Distribution, BSD: FreeBSD, OpenBSD, NetBSD, GhostBSD, TrueNAS, MidnightBSD, DragonFly BSD, OPNsense, pfSense, XigmaNAS, among others. * GrapheneOS * Kali NetHunter *

: Debian, Ubuntu, Manjaro, Fedora Linux, Fedora, openSUSE, antiX, NixOS, Kali Linux, Kali, Alpine Linux, Alpine, Tails, Mageia, Slackware, Gentoo Linux, Gentoo, BlackArch, among others. * LineageOS: An Android (operating system), android-based operative system for tablets and mobile phones. * GNU Hurd * Mobian * Plasma Mobile * PostmarketOS * PureOS * Ubuntu Touch * Redox (operating system), Redox OS * FreeDOS – a free OS compatible with IBM PC DOS and Microsoft's MS-DOS * ReactOS – an open-source OS intended to run the same software as Windows, originally designed to simulate Windows NT 4.0, later aiming at Windows 7 compatibility. It has been in the development stage since 1996.

Emulation and Virtualization

*AppleWin *DOSBox – DOS programs emulator (including PC games) *GNOME Boxes *Hercules (emulator) *Kernel-based Virtual Machine *QEMU *VirtualBox – Hypervisor#Classification, hosted hypervisor for x86 virtualization

Personal information managers

*Chandler (software), Chandler – Developed by the Open Source Applications Foundation (OSAF) *KAddressBook *Kontact *KOrganizer *Mozilla Calendar – Mozilla-based, multi-platform calendar program *GNOME Evolution *Perkeep – Personal data store for pictures *Project.net – Commercial project management *TeamLab – Platform for project management and collaboration

Programming language support

Programming languages

* Ada (programming language), Ada * Bash (Unix shell), Bash * C * C Sharp (programming language), C# * C++ * Carbon (programming language) * Chapel (programming language), Chapel * Clojure * Crystal (programming language), Crystal * D (programming language), D * Dart (programming language), Dart * Elixir (programming language), Elixir * Erlang (programming language), Erlang * F Sharp (programming language), F# * GNU awk * GNU Fortran * Gleam (programming language), Gleam * Go (programming language), Go * Hack (programming language), Hack * Haskell * IDL (programming language), IDL * J (programming language), J *

* JavaScript * Julia (programming language), Julia * Kotlin (programming language), Kotlin * Lua (programming language), Lua * Marlin * ML (programming language), ML * Nim (programming language), Nim *

* PHP * Prolog * Python * R (programming language), R * Racket (programming language), Racket * Ruby (programming language), Ruby * Rust (programming language), Rust * Scala (programming language), Scala * Shell script, Shell * SQL * Swift (programming language), Swift * Tcl * TypeScript * V (programming language), V * Zig (programming language), Zig

Source code editors

* Acme (Plan 9), Acme * Arachnophilia * Atom (text editor), Atom * Bluefish (software), Bluefish * Brackets (text editor), Brackets * Edinburgh Compatible Context Editor, ECCE * ed (software), ed * Elvis (text editor), Elvis * Emacs, GNU Emacs * Extensible Versatile Editor, Extensible Versatile Editor (EVE) * FeatherPad * Geany * gedit * GNOME Text Editor * JED (text editor), JED * jEdit * JOVE * Project Jupyter#Jupyter Notebook, Jupyter Notebook * Kate (text editor), Kate * Kile * Komodo Edit * KWrite * Lapis (text editor), Lapis * Language-Sensitive Editor, Language-Sensitive Editor (LSE) * Leo (text editor), Leo * Light Table (software), Light Table * MicroEMACS * Mousepad * Nano (text editor), GNU nano * Neovim * Notepad++ * nvi * SciTE * Stevie (text editor), Stevie * Textadept * Vi (text editor), Vi * Vile (text editor), vile * Vim (text editor), vim * Visual Studio Code * Xed * XEmacs * Zed (text editor), Zed

Compilers and assemblers

* Amsterdam Compiler Kit * BBC BASIC * Bigloo * Blitz BASIC * BDS C * CINT * Chez Scheme * Chicken (Scheme implementation), Chicken * Clang * Clozure CL * CMU Common Lisp * Cython * EiffelStudio * Embeddable Common Lisp * FASM * Free Pascal * FreeBASIC * G95 * Gambas * Gambit (Scheme implementation), Gambit * GNU Assembler * GNU Compiler Collection, GCC * GNU Compiler for Java * GNU Common Lisp * GNU Fortran * GNU Pascal * GNU Smalltalk * Glasgow Haskell Compiler, Glasgow Haskell * High Level Assembly * IL2CPU * Ikarus (Scheme implementation), Ikarus * IronRuby * javac * Jikes * Kawa (Scheme implementation), Kawa * LCC (compiler), LCC * LibertyEiffel * LLVM * MIT/GNU Scheme * Mono (software)#Mono-specific innovations, Mono compiler * Netwide Assembler * Nuitka * Numba * Open64 * PeachPie * Phalanger (compiler), Phalanger * Portable C Compiler, Portable C * Psyco * Pyjs * QB64 * ROSE (compiler framework), ROSE * Roslyn (compiler), Roslyn * Rust (programming language)#Compiler, rustc * SCM (Scheme implementation), SCM * Shed Skin * Small-C * Small Device C Compiler, Small Device C * SmartEiffel * Stalin (Scheme implementation), Stalin * Steel Bank Common Lisp * TenDRA Compiler, TenDRA * Tiny C Compiler, Tiny C * Vector Pascal * Watcom C/C++ * XPL * YARV * Yabasic * York Haskell Compiler, York Haskell * Zig (programming language)#Compiler, Zig Compiler

Bug trackers

*Bugzilla *Mantis Bugtracker, Mantis *Mindquarry *Redmine *Trac

Code generators

*Babel (transcompiler), Babel – JavaScript transcompiler *GNU bison, Bison *CodeSynthesis XSD – XML Data Binding compiler for C++ *CodeSynthesis XSD/e – Validating XML parser/serializer and C++ XML Data Binding generator for mobile and embedded systems *Flex lexical analyser – Generates lexical analyzers *Open Scene Graph – 3D graphics application programming interface *OpenSCDP – Open Smart Card Development Platform *SableCC – Parser generator for Java and

*SWIG – Simplified Wrapper and Interface Generator for several languages *^txt2regex$ *xmlbeansxx – XML Data Binding code generator for C++ *YAKINDU Statechart Tools – Statechart code generator for C++ and Java

Documentation generators

*Doxygen – Tool for writing software reference documentation. The documentation is written within code *Mkd (software), Mkd – Extracts software documentation from source code files, pseudocode, or Comment (computer programming), comments *Natural Docs – Claims to use a more natural language as input from the comments, hence its name

Configuration software

*Autoconf *Automake *CMake

Debuggers (for testing and trouble-shooting)

*GNU Debugger – A portable debugger that runs on many

systems *Memtest86 – Stress-tests random access memory, RAM on x86 machines *Xnee – Record and replay tests

Integrated development environments

Version control systems

Reference management software

Risk Management

*Active Agenda – Operational risk management and Rapid application development platform

Science

Bioinformatics

* AMAP * BAli-Phy * BLAST (biotechnology), BLAST, CS-BLAST, BLAT (bioinformatics), BLAT * Bowtie (sequence analysis), Bowtie * Clustal * DECIPHER (software), DECIPHER * FASTA * Fast statistical alignment * HMMER * HH-suite * JAligner * MAFFT * MAVID * MUSCLE (alignment software), MUSCLE * Nextflow * Phyloscan * Probalign * ProbCons * Stemloc * T-Coffee * UGENE * Yass (software), Yass

Cheminformatics

* Chemistry Development Kit * JOELib * OpenBabel

Chemistry notation

* mhchem

Data science

* Apache Hadoop – distributed storage and processing framework * Apache Spark – unified analytics engine * ELKI - data analysis algorithms library * Jupyter Notebook – interactive computing * Keras – neural network library * KNIME – data analytics platform * Matplotlib – data visualization library * NumPy – numerical computing library * Orange (software), Orange – data mining tool * Pandas (software), pandas – data manipulation library * Python * R (programming language), R – statistical computing language * SciPy – scientific computing library * scikit-learn – Python machine learning library * TensorFlow – machine learning framework * Weka (software), WEKA – machine learning and data analysis suite

Electronic lab notebooks

* Project Jupyter, Jupyter

Geographic information systems

Geoscience

Grid computing

Microscope image processing

* CellProfiler – Automatic microscopic analysis, aimed at individuals lacking training in

* Endrov – Java-based plugin architecture designed to analyse complex spatio-temporal image data * Fiji (software), Fiji – ImageJ-based image processing * Ilastik – Image-classification and segmentation software * ImageJ – Image processing application developed at the National Institutes of Health * IMOD (software), IMOD – 2D and 3D analysis of electron microscopy data * Insight Segmentation and Registration Toolkit, ITK – Development framework used for creation of image segmentation and registration programs * KNIME – Data analytics, reporting, and integration platform * VTK – C++ toolkit for 3D computer graphics, image processing, and visualisation * 3DSlicer – Medical image analysis and visualisation

Molecular design software

* Ascalaph Designer * Winmostar

Molecular dynamics

* GROMACS – Protein, lipid, and nucleic acid simulation * LAMMPS – Molecular dynamics software * MDynaMix – General-purpose molecular dynamics, simulating mixtures of molecules *Molecular simulation - ms2, ''ms''2 – molecular dynamics and Monte Carlo simulation package to predict thermophysical properties of fluids * NWChem – Quantum chemical and molecular dynamics software

Molecule editors

* Ascalaph Designer * Avogadro (software), Avogadro * Gabedit * JChemPaint * Kekulé Program * XDrawChem

Molecular graphics systems

* Avogadro (software), Avogadro * BALL * Gabedit * Jmol * Molekel * PyMOL * RasMol

Molecular mechanics modeling

* Avogadro (software), Avogadro * CP2K * GROMACS * LAMMPS * MDynaMix * ms2 (software), ms2 * OpenMM * Orac * NWChem * Q (software), Q * Quantum ESPRESSO

Molecular structure

* Chemfig * JChemPaint * XDrawChem * XyMTeX

Molecule viewer

* Avogadro (software), Avogadro – Plugin-extensible molecule visualisation * BALLView – Molecular modeling and visualisation * Jmol – 3D representation of molecules in many formats, for teaching use * Molekel – Molecule viewing software * MeshLab – Able to import PDB dataset and build up surfaces from them * PyMOL – High-quality representations of small molecules and biological macromolecules * QuteMol – Interactive molecule representations offering an array of innovative OpenGL visual effects * RasMol – Visualizes biological macromolecules

Nanotechnology

* nanoHUB * Ninithi – Visualise and analyse carbon allotropes, such as carbon nanotube, Fullerene, graphene nanoribbons

Plotting

*Veusz

Quantum chemistry

* CP2K – Atomistic and molecular simulation of solid-state, liquid, molecular, and biological systems

Screensavers

*BOINC *Electric Sheep *XScreenSaver

Simulation software

* List of computer simulation software#Free or open-source, List of free and open source simulation software

Statistics

* R (programming language), R – Statistics software * LimeSurvey – Online survey system

Theology

Bible study tools

* Go Bible – A free Bible viewer application for Java mobile phones * Marcion (software), Marcion – Coptic language, Coptic–English language, English/Czech language, Czech dictionary * OpenLP – A worship presentation program licensed under the GNU General Public License * The SWORD Project – The CrossWire Bible Society's free software project

Typesetting

Web conferencing

* Jitsi, Jitsi Meet * OpenMeetings * Conference XP * Jami (software), Jami * BigBlueButton

References

External links

Open Source Software Directory (OSSD)
a collection of free and open-source software, FOSS organized by target audience.
List of open-source programs (LOOP) for Windows
maintained by the Ubuntu (operating system), Ubuntu Documentation Project.
The OSSwin Project
a list of

for Windows
Apache Project List

Apache Projects DirectorySoftware - GNU Project - Free Software Foundation
*freesoft:Main_Page, Free Software Directory {{DEFAULTSORT:Open Source Software Packages Free software lists and comparisons Lists of software Software licensing, *