Software related to astronomy. This includes desktop planetarium and sky charting software, astronomy databases and observing utilities, simulation software, image processing and data analysis, education and multimedia software, and software reviews.
Please note that, even though only software with dedicated web pages is included in this directory, there are many programs (mainly shareware / freeware) that have no web sites dedicated to them and are only available from a number of online software repositories (links to such repositories are included in this directory).
[open source - Linux/Unix] Interactive program for computing synthetic lightcurves and generating animated views and best-fit models of eclipsing binary stars. www.lsw.uni-heidelberg.de/~rwichman/Nightfall.html
[commercial - Linux] The new release of Linux for Astronomy includes over 3Gb of Astronomical software precompiled for the Linux (x86) operating system. Applications include a wealth of general purpose image and signal processing tools, as well as the sta www.randomfactory.com/lfa.html
[commercial, demo available -- Win95/98/NT] Includes calendars required by historians of astronomy and general historians. Many details are provided for Indian and Jewish calendars and much besides. There is also a display of positions of the Sun, Moon an ourworld.compuserve.com/homepages/raymondm
Freeware allowing one to draw charts according to the data of 15 catalogs of stars and nebulae, as well as the position of planets, asteroids, and comets. Available in English and is translated in 8 other languages. www.stargazing.net/astropc
Software links for astronomers professional, education and amateur. Planetaria, sky charts, and databases for PC, MAC and UNIX/LINUX platforms. www.r-clarke.org.uk/astrosoft.htm
Lunar and solar periodicity formulas, definitions, time formulas, notation, astronomical constants with computer code for a programmable HP 48 by James Q. Jacobs. www.jqjacobs.net/astro/astrofor.html
Links to the BASIC programs that appeared in Sky & Telescope, to shareware/freeware astronomy related software and to vendors of astronomy software. skyandtelescope.com/resources/software
Advanced software for astrometry, photometry, robotic observations. Huge database of images and catalogs. Works with MaximDL and ASCOM. Free downloads. www.astromb.com
Astronomical calculations including coordinate conversion, position and circumstances of the Sun and Moon, the positions of the planets, and the times of sunrise, sunset, moonrise and moonset. Designed for applications where high accuracy is not needed. www.xylem.f2s.com/kepler
Windows software for converting dates in various lunar and other calendars and for finding lunar phases and eclipses of various kinds. www.hermetic.ch/lcef/lcef.htm
Discover links and resources for astronomy software for amateur and professional astronomers and for people interested in astronomy, stargazing and space. space.about.com/cs/software