1.renpy / renpyThe Ren'Py Visual Novel Enginerenpyvisual-novelpythongame-enginevisual-novel-engineRen'PyNo license7K total965 forks+316 starsfrom 6,657 · score 5.76
2.gameplay3d / gameplayOpen-source, cross-platform, C++ game engine for creating 2D/3D games.open-sourcecross-platformc-plus-plusenginevulkanC++No license5K total1.3K forks+79 starsfrom 4,877 · score 4.38
3.ekelokorpi / panda-enginePanda Engine - HTML5 Game EngineJavaScriptNo license771 total101 forks+6 starsfrom 765 · score 1.95
4.MegaGlest / megaglest-sourceMegaGlest real-time strategy game engine (cross-platform, 3-d)gamegame-enginefree-softwarertsstrategystrategy-game+7 moreC++No license419 total102 forks+6 starsfrom 413 · score 1.95
5.kripken / BananaBreadBananaBread is a C++ 3D game engine that runs on the web using JavaScript+WebGL+HTMLC++No license1.4K total375 forks+4 starsfrom 1,445 · score 1.61
6.SiliconStudio / xenkoArchivedOld repo for Xenko Game Engine. Please use https://github.com/xenko3d/xenko instead.game-enginegamedevgame-developmentxenkoNo license1.5K total337 forks+2 starsfrom 1,521 · score 1.10
7.Stencyl / stencyl-engineCreate Flash, HTML5, iOS, Android, and desktop games with no code with Stencyl. This is the source to Stencyl's Haxe-based engine.stencylhaxegame-engineHaxeNo license216 total49 forks+1 starsfrom 215 · score 0.69