Web Directory by Internet-Web-Directory.com

[Win 9x/Me/NT/2000 shareware] Mixes sky simulator and astronomical encyclopedia with speaking guide. Simulates most aspects of the space-watching experience. Other free astronomy software included.

[commercial - Windows] Hands-on presentations and simulations about being an astronaut and commanding the space shuttle.

[open source - Win95/98/NT/2000 or Unix/Linux & OpenGL] Newest NASA data creates a fast 3D display of our home solar system, 25000 stars, galaxy, planets, moons, asteroids and even controllable spacecraft.

[shareware - Win95/98/NT] Offers realistic views of entire sky with interactive and three-dimensional view modes.

[commercial, demo available - Win95/98/NT] A solar system simulator and planetarium, with planetary encyclopaedia.

Space simulators reviews and tutorials to program a 3d engine for a space sim.

SpaceWander's award-winning multimedia tour of the Universe features real space pictures from NASA

[commercial - Win95/98/NT, Macintosh] A planetarium and solar-system simulator; lets you view the universe from anywhere in our planetary neighbourhood in the past, present, and future.

[shareware - Win 98/ME/2K/XP] A 3D software planetarium. Photo realistic real-time 3D renderings of 2 million stars, galaxies, nebulae, and the Milky Way. Includes several educative tutorials.