BattleTech - I gave this game up several years ago (about the time FASA decided to introduce the Clans and make all my gaming stuff obsolete).  However, I recently found a large stash of computer files from the MiracleWerks, a fictional Arms design company I once had in a campaign.

• 'Mechs
• Vehicles
• Aircraft
• Slammers - Vehicles based on the "Hammer's Slammers" saga by David Drake

• Official Website
• Usenet: alt.games.cosmic-wimpout

Kingmaker
 

Seekreig
 

Squad Leader
 

Star Fleet Battles

• Star Fleet Universe - the official SFB site
• The Unofficial Star Fleet Battles homepage
• Valkyrie's Den - my SFB site devoted to the Romulan Way
• "Oh My God" - An open ended campaign where only the strongest survive.