1km1kt 3d-art action advanced-dungeons-dragons agpl alderons-tower amagi-games anime apocalypse-world apocalypse-world-engine arabic art audio audiobook australian-government basic-dungeons-dragons basic-fantasy-rpg ben-wright big-buck-bunny blender blender-foundation blog boardgame book breadpig brent-p-newhall by by-nc by-nc-nd by-nc-sa by-nd by-sa card-game catalan category cc cc0 character chris-sakkas classical clone comic commercial common-content community concept-art copyleft cory-doctorow creative-commons crn-games d100-system d20-system daniel-solis data df documentary domino-writing dungeon dungeons-dragons dungeons-dragons-4e dungeon-squad dungeon-squad-engine dungeon-world economics electronic-game engine evil-hat-productions fantasy fate fate-accelerated-edition fate-core-system fate-engine fdl film flickr font for-children for-closed free-culture french fsf fundfreeculture fund-free-culture genre german github goblinoid-games government gpl graphic-design gratis gratis-games greg-london greg-stolze hackbird hardware historical horror html5 humour information internet-archive ip-minimalism italian jamendo james-hutchings jason-morningstar jason-rohrer jeff-moore john-harper journal korean lady-blackbird language larp lessig liam-brennan liberated-pixel-cup-content libertarianism libre licence linux list literature mac marauder mathematics miniatures-game misery-tourism-games mit music myth-and-legend news nick-liow nina-paley noncommercial novel oer ofl ogl okfn one-seven-design-studio open-book-publishers openness opl otherkind-dice own-licence patreon pd pelgrane-press permissive photo pixel platform podcast polish portuguese post-apocalypse proprietary raster-art rbh-engine recipe reign resource retroclone richard-stallman ronin-arts rpg sage-latorra science science-fiction series setting sfx-system short-story sintel software solitaire source spanish status steampunk story-game supers supplement system tabletop-game teapot-dome-games tears-of-steel textbook unglue-it us-government valent-games vector-art verbatim video website wikipedia windows work