Science Fiction

HCRealms - Heroclix community site offering a variety of tools; including an army builder, collection organizer, and a search engine for statistics and information of every figure.
http://www.hcrealms.com/

Hard Vacuum - Official online resource for a combat system set in space with ship to ship combat.
http://members.aol.com/hardvacuumguy/

GSC 2 - Starship Combat - Generic Space Combat is a flexible system for starship combat, designed around a "build your own ship" system.
http://www.thanesgames.com/gsc2/gsc2main.html

The Pangolin Saloon - Dedicated to the Inquisitor game by Games Workshop, with publicly submitted content by a large number of authors.
http://members.fortunecity.com/pangolinsaloon

Xenocide - Although still in development, the public are required to playtest and contribute, and it is playable with any line of miniatures.
http://www.thanesgames.com/xenocide.htm

Easy Printing Epic Armageddon Reference Sheets And Army Lists - Printable reference sheets and army lists.
http://homepage.ntlworld.com/andrew.baldock/epic/sheets.html

J-8 Shop - Free modern-era and sci-fi miniatures rules, support for Command Decision, Dirtside II, and 2300AD.
http://www.geocities.com/pmj6/

The Pirate Base - Contains new rules, ships, and resources for Battlefleet Gothic and Warhammer 40K.
http://www.angelfire.com/space2/piratebase0/

The 41st Millenium - A public forum for a variety of Science Fiction games including Warhammer 40,000, Inquisitor, and BFG.
http://p079.ezboard.com/bthe41stmillenium

Combat Action - Original wargame system designed for 25 to 33mm miniatures.
http://www.combataction.com

MWRealms - A MechWarrior community site offering a variety of tools; including an army builder, collection organizer, and a search engine for statistics and information on MechWarrior figures, and a forum.
http://www.mwrealms.com

Weedkiller - Genetically modified vegetable-based tabletop wargame. Includes purchasing information, updates, pictures, additional rules and players suggestions.
http://www.precepts.co.uk/weedkiller/

Starship Combat News - The latest information, reviews and rumors on space and starship related games and miniatures.
http://www.star-ranger.com/Home.htm

Lords of the Battlefield - Resource featuring miniatures galleries, forums, and online stores with Battletech Merchandise.
http://www.lordsofthebattlefield.com

Star Fleet Battle Manual Page - Dedicated to the game Star Fleet Battle Manual, set in the Star Trek Universe. Contains new scenarios and ships.
http://www.geocities.com/barteus/index.html

Mark's Starfleet Battles Miniatures Page - Images of miniatures from Alfa to Omega.
http://www.geocities.com/outclassed2001/mark.html

Target: Earth - Sci-fi tabletop wargame set in the Earth's near future. Inspired by Macross, Gasaraki, Mechwarrior and Heavy Gear. Gameplay focuses on small squads of infantry supported by 8 metre tall Mecha. 25-30mm scale.
http://www.target-earth.net

Unimog's Agora - Provides image galleries, inventory information and recommendations about Warhammer Fantasy, 40K, and Mordheim, scale modeling, and HO scale railroading.
http://www.yon.com.tr/unimog

Epic Collector - Contains information for painters, players and collectors of the 2nd edition Epic Space Marine game from Games Workshop.
http://www.epicollector.com/

Fortress of Unforgiven - Varied selection of information, advice, hints, galleries and links of gaming and collecting armies in the Warhammer 40k universe. Specialises in Dark Angels and a customised chapter.
http://fortressofunforgiven.homestead.com/Home.html