Google Developers (previously Google Code) ,

application programming interface An application programming interface (API) is a connection between computers or between computer programs. It is a type of software Interface (computing), interface, offering a service to other pieces of software. A document or standard that des ...

s (APIs), and technical resources. The site contains documentation on using Google developer tools and APIs—including discussion groups and blogs for developers using Google's developer products. There are APIs offered for almost all of Google's popular consumer products, like

Google Maps Google Maps is a web mapping platform and consumer application offered by Google. It offers satellite imagery, aerial photography, street maps, 360° interactive panorama, interactive panoramic views of streets (Google Street View, Street View ...

YouTube YouTube is an American social media and online video sharing platform owned by Google. YouTube was founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim who were three former employees of PayPal. Headquartered in ...

Google Apps Google Workspace (formerly G Suite, formerly Google Apps) is a collection of cloud computing, Productivity software, productivity and Collaborative software, collaboration tools, software and products developed and marketed by Google. It con ...

, and others. The site also features a variety of developer products and tools built specifically for developers.

Google App Engine Google App Engine (also referred to as GAE or App Engine) is a cloud computing platform used as a service for developing and hosting web applications. Applications are sandboxed and run across multiple Google-managed servers. GAE supports aut ...

is a hosting service for web apps. Project Hosting gives users version control for

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 ...

code.

Google Web Toolkit Google Web Toolkit (GWT ), or GWT Web Toolkit, is an open-source software, open-source set of Programming tool, tools that allows web developers to create and maintain JavaScript Front and back ends, front-end applications in Java (programming ...

(GWT) allows developers to create

Ajax Ajax may refer to: Greek mythology and tragedy * Ajax the Great, a Greek mythological hero, son of King Telamon and Periboea * Ajax the Lesser, a Greek mythological hero, son of Oileus, the king of Locris * Ajax (play), ''Ajax'' (play), by the an ...

applications in the

Java programming language Java is a high-level, general-purpose, memory-safe, object-oriented programming language. It is intended to let programmers ''write once, run anywhere'' ( WORA), meaning that compiled Java code can run on all platforms that support Jav ...

.(All languages) The site contains reference information for community based developer products that Google is involved with like Android from the

Open Handset Alliance The Open Handset Alliance (OHA) is a consortium led by Google that develops the Android (operating system), Android mobile operating system. Its member firms included HTC, Sony, Dell, Intel, Motorola, Qualcomm, Texas Instruments, Samsung Electr ...

and OpenSocial from the OpenSocial Foundation.

Google APIs

Google offers a variety of APIs, mostly

web API A web API is an application programming interface (API) for either a web server or a web browser. As a web development concept, it can be related to a web application's client side (including any web frameworks being used). A server-side web AP ...

s for web developers. The APIs are based on popular Google consumer products, including

Google Earth Google Earth is a web mapping, web and computer program created by Google that renders a 3D computer graphics, 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposition, superimposing satelli ...

AdSense Google AdSense is a program run by Google through which website publishers in the Google Network of content sites serve text, images, video, or interactive media advertisements that are targeted to the site content and audience. These adver ...

Adwords Google Ads, formerly known as Google Adwords, is an online advertising platform developed by Google, where advertisers bid to display brief advertisements, service offerings, product listings, and videos to web users. It can place ads in the res ...

and

Google Data APIs

The Google Data APIs allow programmers to create applications that read and write data from Google services. Currently, these include APIs for

Google Analytics Google Analytics is a web analytics service offered by Google that tracks and reports website traffic and also mobile app traffic and events, currently as a platform inside the Google Marketing Platform brand. Google launched the service in N ...

Blogger A blog (a Clipping (morphology), truncation of "weblog") is an informational website consisting of discrete, often informal diary-style text entries also known as posts. Posts are typically displayed in Reverse chronology, reverse chronologic ...

Google Base Google Base was a database provided by Google which allowed users to add content such as text, images, and structured information in formats such as XML, PDF, Excel, RTF, or WordPerfect. Google Base was launched in 2005 and downgraded to Google ...

Google Book Search Google Books (previously known as Google Book Search, Google Print, and by its code-name Project Ocean) is a service from Google that searches the full text of books and magazines that Google has scanned, converted to text using optical charac ...

Google Calendar Google Calendar is a time-management and scheduling calendar service developed by Google. It was created by Mike Samuel as part of his 20% project at Google. It became available in Software release life cycle#Beta, beta release April 13, 2006, ...

Google Code Search Google Code Search was a free beta product from Google which debuted in Google Labs on October 5, 2006, allowing web users to search for open-source code on the Internet. Features included the ability to search using operators, namely , , , an ...

Google Spreadsheets Google Sheets is a spreadsheet application and part of the free, web-based Google Docs Editors suite offered by Google. Google Sheets is available as a web application; a mobile app for: Android, iOS, and as a desktop application on Google's C ...

and

Google Notebook Google Notebook was a free online application offered by Google that allowed users to save and organize clips of information while conducting research online. The browser-based tool permitted a user to write notes, clip text and images, and save ...

Ajax APIs

Google's Ajax APIs let a developer implement rich, dynamic websites entirely in

JavaScript JavaScript (), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. Web browsers have ...

and HTML. A developer can create a map to a site, a dynamic search box, or download feeds with just a few lines of javascript.

Ads APIs

The

and

AdWords Google Ads, formerly known as Google Adwords, is an online advertising platform developed by Google, where advertisers bid to display brief advertisements, service offerings, product listings, and videos to web users. It can place ads in the res ...

APIs, based on the

SOAP Soap is a salt (chemistry), salt of a fatty acid (sometimes other carboxylic acids) used for cleaning and lubricating products as well as other applications. In a domestic setting, soaps, specifically "toilet soaps", are surfactants usually u ...

data exchange standard, allow developers to integrate their own applications with these Google services. The AdSense

API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...

allows owners of websites and

blog A blog (a Clipping (morphology), truncation of "weblog") is an informational website consisting of discrete, often informal diary-style text entries also known as posts. Posts are typically displayed in Reverse chronology, reverse chronologic ...

s to manage AdSense sign-up, content and reporting, while the AdWords API gives AdWords customers programmatic access to their AdWords accounts and campaigns.

Developer tools and open-source projects

App Engine

lets developers run web applications on Google Cloud. Google App Engine supports apps written in several programming languages. With App Engine's Java runtime environment, one can build their app using standard Java technologies, including the

JVM A Java virtual machine (JVM) is a virtual machine that enables a computer to run Java programs as well as programs written in other languages that are also compiled to Java bytecode. The JVM is detailed by a specification that formally descri ...

, Java servlets, and the Java programming language—or any other language using a JVM-based interpreter or compiler, such as JavaScript or Ruby. App Engine also features a dedicated

Python Python may refer to: Snakes * Pythonidae, a family of nonvenomous snakes found in Africa, Asia, and Australia ** ''Python'' (genus), a genus of Pythonidae found in Africa and Asia * Python (mythology), a mythical serpent Computing * Python (prog ...

runtime environment, which includes a fast Python interpreter and the Python standard library.

Google Plugin for Eclipse

Google Plugin for Eclipse (GPE) is a set of software development tools that enables

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 ...

developers to design, build, optimize, and deploy

cloud computing Cloud computing is "a paradigm for enabling network access to a scalable and elastic pool of shareable physical or virtual resources with self-service provisioning and administration on-demand," according to International Organization for ...

applications. GPE assists developers in creating complex user interfaces, generating

code using the

, optimizing performance with Speed Tracer, and deploying applications to

. GPE installs into the

Eclipse An eclipse is an astronomical event which occurs when an astronomical object or spacecraft is temporarily obscured, by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three ...

integrated development environment (IDE) using the extensible plugin system. GPE is available under the Google terms of service license.

Google Web Toolkit

The

(GWT) is an open source toolkit allowing developers to create

applications in the

. GWT supports rapid client–server

development Development or developing may refer to: Arts *Development (music), the process by which thematic material is reshaped * Photographic development *Filmmaking, development phase, including finance and budgeting * Development hell, when a proje ...

and

debugging In engineering, debugging is the process of finding the Root cause analysis, root cause, workarounds, and possible fixes for bug (engineering), bugs. For software, debugging tactics can involve interactive debugging, control flow analysis, Logf ...

in any Java IDE. In a subsequent deployment step, the GWT compiler translates a working Java application into equivalent

that programmatically manipulates a web browser's

HTML 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 Sheets ( ...

DOM using

DHTML Dynamic HTML, or DHTML, is a term which was used by some browser vendors to describe the combination of HTML, style sheets and client-side scripts (JavaScript, VBScript, or any other supported scripts) that enabled the creation of interactiv ...

techniques. GWT emphasizes reusable, efficient solutions to recurring Ajax challenges, namely asynchronous remote procedure calls, history management, bookmarking, and cross-browser portability. It is released under the

Apache License The Apache License is a permissive free software license written by the Apache Software Foundation (ASF). It allows users to use the software for any purpose, to distribute it, to modify it, and to distribute modified versions of the software ...

version 2.0.

OR-Tools

Google OR-Tools provides programming language wrappers for

operations research Operations research () (U.S. Air Force Specialty Code: Operations Analysis), often shortened to the initialism OR, is a branch of applied mathematics that deals with the development and application of analytical methods to improve management and ...

tools such as optimisation and

constraint solving Constraint satisfaction problems (CSPs) are mathematical questions defined as a set of objects whose state must satisfy a number of constraints or limitations. CSPs represent the entities in a problem as a homogeneous collection of finite const ...

Google Code

Google previously ran a project hosting service called Google Code that provided

revision control Version control (also known as revision control, source control, and source code management) is the software engineering practice of controlling, organizing, and tracking different versions in history of computer files; primarily source code ...

offering

Subversion Subversion () refers to a process by which the values and principles of a system in place are contradicted or reversed in an attempt to sabotage the established social order and its structures of Power (philosophy), power, authority, tradition, h ...

Mercurial Mercurial is a distributed revision control tool for software developers. It is supported on Microsoft Windows, Linux, and other Unix-like systems, such as FreeBSD and macOS. Mercurial's major design goals include high performance and scalabi ...

and

Git Git () is a distributed version control system that tracks versions of files. It is often used to control source code by programmers who are developing software collaboratively. Design goals of Git include speed, data integrity, and suppor ...

(transparently implemented using

Bigtable Bigtable is a fully managed wide-column and key-value NoSQL database service for large analytical and operational workloads as part of the Google Cloud portfolio. History Bigtable development began in 2004.. It is now used by a number of Goo ...

as storage), an issue tracker, and a wiki for documentation. The service was available and free for all OSI-approved Open Source projects (as of 2010, it was strongly recommended but no longer required to use one of the nine well-known open source licenses:

Apache The Apache ( ) are several Southern Athabaskan language-speaking peoples of the Southwestern United States, Southwest, the Southern Plains and Northern Mexico. They are linguistically related to the Navajo. They migrated from the Athabascan ho ...

Artistic Art is a diverse range of culture, cultural activity centered around works of art, ''works'' utilizing Creativity, creative or imagination, imaginative talents, which are expected to evoke a worthwhile experience, generally through an express ...

BSD The Berkeley Software Distribution (BSD), also known as Berkeley Unix or BSD Unix, is a discontinued Unix operating system developed and distributed by the Computer Systems Research Group (CSRG) at the University of California, Berkeley, beginni ...

GPLv2 The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or copyleft, ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was th ...

GPLv3 The GNU General Public Licenses (GNU GPL or simply GPL) are a series of widely used free software licenses, or ''copyleft'' licenses, that guarantee end users the freedom to run, study, share, or modify the software. The GPL was the first ...

LGPL The GNU Lesser General Public License (LGPL) is a free-software license published by the Free Software Foundation (FSF). The license allows developers and companies to use and integrate a software component released under the LGPL into their own ...

MIT The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts, United States. Established in 1861, MIT has played a significant role in the development of many areas of modern technology and sc ...

, MPL and EPL). The site limited the number of projects one person could have to 25. Additionally, there was a limit on the number of projects that could be created in one day, a 200 MB default upload file size limit, which could be raised, and a 5 GB per-project total size limit. The service provided a file download feature, but in May 2013 the creation of new downloads was disabled, with plans to disable it altogether on January 14, 2014. In March 2015, Google announced that it would be closing down Google Code on January 15, 2016. All projects on the site entered read-only mode on August 24, 2015, with the exception of certain Google-owned projects including Android and Chrome. Residents of countries on the United States

Office of Foreign Assets Control The Office of Foreign Assets Control (OFAC) is a financial intelligence and enforcement agency of the United States Department of the Treasury, United States Treasury Department. It administers and enforces economic and trade economic sanctions, ...

sanction list, including

Cuba Cuba, officially the Republic of Cuba, is an island country, comprising the island of Cuba (largest island), Isla de la Juventud, and List of islands of Cuba, 4,195 islands, islets and cays surrounding the main island. It is located where the ...

Iran Iran, officially the Islamic Republic of Iran (IRI) and also known as Persia, is a country in West Asia. It borders Iraq to the west, Turkey, Azerbaijan, and Armenia to the northwest, the Caspian Sea to the north, Turkmenistan to the nort ...

North Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korea, Korean Peninsula and borders China and Russia to the north at the Yalu River, Yalu (Amnok) an ...

Sudan Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopi ...

and

Syria Syria, officially the Syrian Arab Republic, is a country in West Asia located in the Eastern Mediterranean and the Levant. It borders the Mediterranean Sea to the west, Turkey to Syria–Turkey border, the north, Iraq to Iraq–Syria border, t ...

, were prohibited from posting to or accessing Google Code.

Gears

Gears was

beta Beta (, ; uppercase , lowercase , or cursive ; or ) is the second letter of the Greek alphabet. In the system of Greek numerals, it has a value of 2. In Ancient Greek, beta represented the voiced bilabial plosive . In Modern Greek, it represe ...

software offered by

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 ...

to enable

offline In computer technology and telecommunications, online indicates a state of connectivity, and offline indicates a disconnected state. In modern terminology, this usually refers to an Internet connection, but (especially when expressed as "on li ...

access to services that normally only work

online In computer technology and telecommunications, online indicates a state of connectivity, and offline indicates a disconnected state. In modern terminology, this usually refers to an Internet connection, but (especially when expressed as "on lin ...

. It installed a database engine, based on

SQLite SQLite ( "S-Q-L-ite", "sequel-ite") is a free and open-source relational database engine written in the C programming language. It is not a standalone app; rather, it is a library that software developers embed in their apps. As such, it ...

, on the client system to cache data locally. Gears-enabled pages used data from this local cache rather than from the online service. Using Gears, a web application may periodically synchronize the data in the local cache with the online service. If a network connection is not available, the synchronization is deferred until a network connection is established. Thus Gears enabled web applications to work even though access to the network service is not present. Google announced the end of Gears development on March 11, 2011, citing a shift of focus from Gears to

HTML5 HTML5 (Hypertext Markup Language 5) is a markup language used for structuring and presenting hypertext documents on the World Wide Web. It was the fifth and final major HTML version that is now a retired World Wide Web Consortium (W3C) recommend ...

Google developer events

Google I/O Google I/O, or simply I/O, is an annual developer conference held by Google in Mountain View, California. The name "I/O" is taken from the number googol, with the "I" representing the first digit "1" in a googol and the "O" representing the s ...

is Google's largest developer event, which is usually held in May at the Shoreline Amphitheatre, Mountain View. *

Google Summer of Code The Google Summer of Code, often abbreviated to GSoC, is an international annual program in which Google awards stipends to contributors who successfully complete a free and open-source software coding project during the summer. , the program is ...

is a mentoring program to find students for open source projects. In 2016, the program received nearly 18,980 applications. * Google Code Jam is an international programming competition.

Google Developer Groups

Google Developer Groups (GDGs) are communities of developers who are interested in Google's developer technology products and platforms. A GDG can take many forms—from just a few people getting together, to large gatherings with demos and tech talks, to events like code sprints and hackathons. As of June 2020, there are currently 1000+ GDGs worldwide. DevFest is one of these events.

References

External links

*
Google Developers Group Community

Google Developer Student Clubs
{{FOSS Developers Software developer communities