The following is a list of astronomical observatory software.

Commercial software

XEphem XEphem is a Motif based ephemeris and planetarium program for Unix-like operating systems developed by Elwood C. Downey. History XEphem started as a Unix and Motif conversion of the IBM PC-based '. It was initially released in December 1993 ...

Non-commercial software

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Aladin Sky Atlas Aladin is an interactive software sky atlas, created in France. It's allowing the user to visualize digitized astronomical images, superimpose entries from astronomical catalogues or databases, and interactively access related data and information ...

Astropy Astropy is a collection of software packages written in the Python programming language and designed for use in astronomy. The software is a single, free, core package for astronomical utilities due to the increasingly widespread usage of Python ...

Cartes du Ciel ''Cartes du Ciel'' ("CDC" and "SkyChart") is a free and open source planetarium program for Linux, macOS, and Windows. With the change to version 3, Linux has been added as a target platform, licensing has changed from freeware to GPLv2 and the ...

Celestia Celestia is a real-time 3D astronomy software program that was created in 2001 by Chris Laurel. The program allows users to virtually travel through our universe and explore real objects that have been catalogued. Celestia also doubles as a pl ...

Google Sky Google Earth is a computer program that renders a 3D representation of Earth based primarily on satellite imagery. The program maps the Earth by superimposing satellite images, aerial photography, and GIS data onto a 3D globe, allowing users ...

* Hallo Northern Sky *

IRAF IRAF (Image Reduction and Analysis Facility) is a collection of software written at the National Optical Astronomy Observatory (NOAO) geared towards the reduction of astronomical images and spectra in pixel array form. This is primarily data take ...

Instrument Neutral Distributed Interface Instrument Neutral Distributed Interface (INDI) is a distributed control system (DCS) protocol to enable control, data acquisition and exchange among hardware devices and software front ends, emphasizing astronomical instrumentation. Introductio ...

* KStars *

NASA World Wind NASA WorldWind is an open-source (released under the NOSA license and the Apache 2.0 license) virtual globe. According to the website (https://worldwind.arc.nasa.gov/), "WorldWind is an open source virtual globe API. WorldWind allow ...

PP3 PP3 is free software that produces star chart, sky charts, focussing on high quality graphics and typography. It is distributed a license based on the MIT License, but with this restriction added: Sky charts are produced as LaTeX files, so an in ...

SpaceEngine SpaceEngine (stylized as SPΛCE ΞNGINE) is an interactive 3D planetarium and astronomy software developed by Russian astronomer and programmer Vladimir Romanyuk. It creates a 1:1 scale three-dimensional planetarium representing the entire observ ...

* Space Telescope Science Data Analysis System * Starlink Project *

Stellarium A stellarium is a three-dimensional map of the stars, typically centered on Earth. They are common fixtures at planetarium A planetarium ( planetariums or ''planetaria'') is a theatre built primarily for presenting educational and entert ...

WorldWide Telescope WorldWide Telescope (WWT) is an open-source set of applications, data and cloud services, originally created by Microsoft Research but now an open source project hosted on GitHub. The .NET Foundation holds the copyright and the project is manage ...

Commercial software

Non-commercial software

See also