AstroTips - Astronomy Freeware and Shareware
Information on selected astronomy free software. Read a comment, see a screenshot and download.
www.stargazing.net Details

Astronomy Common Object Model (ASCOM)
Promoting the use of open scriptable tools for amateur and educational astronomy.
ascom-standards.org Details

Astronomy Formulas
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 Details

Astronomy Software Resources
Discover links and resources for astronomy software for amateur and professional astronomers and for people interested in astronomy, stargazing and space.
space.about.com Details

Cartes du Ciel / Sky Charts
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 Details

Deepsky 2000
[commercial - Windows] Observation planning software for astronomers. Includes telescope control, logging, and charting.
www.deepsky2000.net Details

EVCODE
A stellar evolution simulator designed for astronomy education.
phastf.phys.uvic.ca Details

Engineering, Science and Math Applications on Linux
A large indexed collection of pointers to Linux applications.
www.xnet.com Details

GeoClock
[shareware MS-W] Sunlight clock with world times and sun and moon positions and coverage.
www.geoclock.com Details