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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"
• 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
• Necrotic Gnome, Old School Essentials,
• Paizo Publishing, Pathfinder Roleplaying Game, Starfinder Roleplaying Game
• Pinnacle Entertainment, Pathfinder for Savage Worlds. ^[1]
• Shewstone Publishing LLC, Magonomia, the RPG of Renaissance wizardry
• Skirmisher Publishing LLC, Nuisances ^[2]
• Spica Publishing, third party publishers of products for the current edition of the Traveller SF RPG.