- www.starrynight.com
- The CyberSky Home Page provides information about CyberSky, the colorful, easy-to-use planetarium program for Microsoft Windows, and allows the latest version of the program to be downloaded for evaluation.www.cybersky.com
- Silverfrost.com home to Solar Kingdom the solar system simulator and multimedia encyclopaedia for Windows. Fly throughout the solar system and experience spectacular scenery that is truly 'out of this world'.www.silverfrost.com
- www.now21.com/kagayaki
- Science, astronomy, and educational software for Windows and Macintosh computers from Andromeda Software, Inc.www.andromedasoftware.com/cd249.htm