Solar system generators

• http://donjon.bin.sh/scifi/system/
• http://fast-times.eldacur.com/StarGen/RunStarGen.html

• Star Wars
  • http://donjon.bin.sh/scifi/swsg/
  • http://www.kolumbus.fi/antti.lusila/starwars/sysgen.html

• Standalone (non-web based)
  • http://www.eldacur.com/~brons/NerdCorner/StarGen/StarGen.html

Planet generators

• http://donjon.bin.sh/scifi/world/
• http://www.lysator.liu.se/~johol/fwmg/fwmg.html

• Standalone (non-web based)
  • http://sourceforge.net/projects/fracplanet/

Name generators

• http://donjon.bin.sh/scifi/name/
• http://www.seventhsanctum.com/