This is a partial list of companies that have published roleplaying games under the provisions of the Open Game License (OGL) issued by Wizards of the Coast.
Alderac Entertainment Group/Crafty Games, Spycraft 2.0 Amarillo Design Bureau, Inc., "Prime Directive d20", "Prime Directive PD20 Modern" Arc Dream Publishing, Delta Green Need to Know Bards and Sages, Neiyar: Land of Heaven and the Abyss, Koboldnomicon Cubicle 7 Games, Broken Weave Editora JBC, Defensores de Tóquio - Manual 4D&T Evil Hat Productions, Fate, Spirit of the Century, The Dresden Files RPG Goodman Games, Dungeon Crawl Classics, Fifth Edition Fantasy, and more Green Ronin Publishing, True20 Adventure Roleplaying Game, Mutants & Masterminds Roleplaying Game Mongoose Publishing, OGL Ancients, OGL CyberNet: Cyberpunk Roleplaying, OGL Horror, OGL Manga, OGL Steampunk, OGL Wild West Paizo Publishing, Pathfinder Roleplaying Game, Starfinder Roleplaying Game Pinnacle Entertainment, Pathfinder for Savage Worlds.Pathfinder for Savage Worlds, Open Game License 1.0a notice on p. 256. Skirmisher Publishing LLC, Nuisances Nuisances: A Comprehensive OGL (d20 System) Sourcebook for Fantasy Role-Playing Games Spica Publishing, third party publishers of products for the current edition of the Traveller SF RPG.
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