CORPS
A CORPS Compendium, CORPS, Corps / Kult Conversion Rules, Crises in Infinite Worlds Articles, Stuff for CORPS
d20 System
Chats and Forums, Dragonstar, Foundation, The, Publishers, Spycraft, Web Rings, Ancient Worlds: Multicosm, Chilling Tales Horror Roleplaying, Creation's Edge, creaturedb - the RPG monster database, D20 Conversions, D20 Fortress.com, d20 Magazine Rack, d20 Modern Roleplaying Game, d20 Tools, Dark Matter d20 Conversion
Free Systems
Bamf, Risus, 3Muse D6 RPG System, Action Exploits Diceless Roleplaying, Alpha-Zulu Games, Alternate Realities, ARM, Blacknet Publishing, Campaign HQ, Cosmic Synchronicity RPG, Cyno's Roleplay, DCS
FUDGE
Anna's Fantasy Fudge, Dead Sea Murder, Dungeon Fantasy, Evil Hat Productions, FADAD: Fudge for AD&D, Five-Point Fudge, Force 9, FUDGE, Fudge Designer's Notes, Fudge Factor
Fuzion
Anime, Bubblegum Crisis, Champions, Dragon Ball Z, Usagi Yojimbo, Alien, Alpha / Omega, Atomik Fuzion, Bob's Fuzion Page, conFUZION, DEvermore.net, Fuzion Search, Nephilim's Song, Section 7, Sengoku.com
GURPS
Adventures, Campaign Settings, Directories, GURPS Prime Directive, Netbooks, Rules and Variants, Software, Technology and Equipment, Bill Seurer's GURPS Pages, Blue Room GURPS, Brandon Cope, DM's GURPS Page, Dreambird's Lair, Ebon Tower Fantasy Gaming, Fantasy Geographic Society: GURPS, GURPS Character Repository, GURPS Frequently Asked Questions, GURPS Lite
Hero System
Champions, Fantasy Hero, Original Settings, Brian's Hero Games Pages, Champions POC List, Circle of Heros, EZ Hero, Game Master's Superpowered Web Site, Gary Kleppe's Champions Page, Hero Games Company, Hero Links, Hero System FTP Archives, HERO System Movement and Throwing
Rifts
Andrew's Rifts Page, Another Palladium Site, Castle Lament, Chimera Games/Rifts Division, Chris' Rifts Page, Cimmeria, eXcelsior's Rifts Page, First Rifts RPG, Graphix Goblin: Rifts, GURPS-RIFTS Worldbook
Torg
Fiacha's TORG Website, Heretic Torg FAQ, Joe's Torg Page, Our Campaign To Save The Earth's Reality, Swarm's Torg Page, The Chronicles Of Fugitive Group C, The Kanawa Corporation, The Storm Has A Name..., Torg Convention Home Page, Torg Page
Basic Role-Playing System
Core rules, and descriptions of some campaign settings. Available in English, French and Italian.
BID-IT
A diceless RPG system that uses the concept of bidding during task resolution. Contains characters sheets in PDF format and a description of the game.
Mythic Role-Playing
Assists game masters in creating adventures without preparation. For use as a stand-alone role-playing game or as a supplement for other systems.
Necrotech's Universe of T.W.E.R.P.S.
A space opera setting for The World's Easiest Role-Playing System, presented in English and German.
Shards of the Stone
Detailed world setting with multiple realms divided by schisms of time. Rules available for FiveStat, Fuzion, and d20 conversions.