Celestia
- http://www.shatters.net/celestia/
- A free 3D space simulator that lets you travel through the solar system and beyond to over 100,000 stars. [Windows, Mac; Open source]
ChView
- http://members.nova.org/~sol/chview/
- [Freeware - Win3.x/95] A three-dimensional aid to viewing some of the nearer stars of our galaxy, navigating the distances between them, and accessing basic stellar information.
GrandTour
- http://www.faithreason.org/grandtour
- Accurate wireframe simulator for the Voyager and Giotto space missions, with animation capability. Developed at JPL for science/navigation, and filmed by the BBC/NOVA. Conveniently runs from any Windows/DOS. Freeware.
OpenUniverse
- http://www.openuniverse.org
- [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.
Solar Kingdom
- http://www.silverfrost.com
- [commercial, demo available - Win95/98/NT] A solar system simulator and planetarium, with planetary encyclopaedia.
StarStrider software 3D planetarium
- http://www.starstrider.com/
- [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.
Starry Night
- http://www.starrynight.com
- [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.
Xstar N-body Solver
- http://www.midwestcs.com/xstar/
- [open source - Unix] Displays results to the screen or can be used as a screen saver. Includes a college level introductory text on the n-body problem.