I love Stargate and have long wanted to do a game set in its universe. Here are a set of solo rules for Stargate.
Rules: Science Fiction
Able Spaceman Rules
Able Spaceman is a set of solo rules for spaceship battles.
7TV Star Wars Programme Guide
Crooked Dice has released a free programme guide for Star Wars for their 7TV miniatures wargame.
Star Wars Shoot Out
Star Wars Shoot Out is a set of free wargames rules for skirmishes in the Star Wars Universe.
Bug Hunt Rules
Bug Hunt is a set of free wargames rules for Science Fiction Bug Hunts.