1km1kt 3d-art 4c-system about-libre action advanced-dungeons-dragons agpl alderons-tower amagi-games anime apocalypse-world-engine art artikid audiobook australian-government basic-dungeons-dragons basic-fantasy-rpg ben-wright berengad-games berin-kinsman big-buck-bunny bill-brown blender blog boardgame brent-p-newhall bsd by by-nc by-nc-nd by-nc-sa by-nd by-sa category cc cc0 cftsotpd character chris-sakkas comic commercial common-content community copyleft cory-doctorow creator crn-games d100-system d101-games d20-system d6-system daniel-solis darkest-dungeons data df domino-writing dungeon dungeon-squad dungeon-squad-engine edible electronic-game elephants-dream engine fantasy faserip fate fate-engine fdl feng-shui ficly-jenny-everywhere font for-closed free-culture french fsf genre german goblinoid-games google government gpl graphic-design gratis gratis-games greg-christopher greg-london greg-stolze hackbird hardware hg-wells horror humour information internet-archive ip-minimalism italian italian-government jamendo james-d-hargrove james-hutchings jason-morningstar jason-rohrer jed jeff-moore jenny-everywhere john-harper justen-brown lady-blackbird language larp liam-brennan libre licence linux list literature mac marquee-press microlite20 miniatures-game music musician mystery myth-and-legend nain nina-paley nine-inch-nails noncommercial novel ofl ogl okfn one-seven-design-studio open-content-project openness open-setting opl o-reilly organisation otherkind-dice own-licence pd permissive photo pixel platform portuguese post-apocalypse project-gutenberg proprietary publisher question-copyright raster-art rbh-engine reign reign-16 resource retroclone richard-stallman risus rivers-and-lakes romance ronin-arts rpg sage-latorra science-fiction setting short-story silhouette sintel software solitaire source spanish status story-game stuart-chaplin superhero supers supplement swords-and-wizardry system tabletop-game teapot-dome-games tft the-impossible-dream to-be-phased-out valent-games vector-art verbatim video website western wikimedia-foundation wikipedia wikipedia-list-of-game-engines windows work wotc yanone