GDevelop [Official Site] is an open source cross-platform event-driven game engine that's quite promising. It's currently closing in on a new major release and it's also now on itch.io. GDevelop 5 is ...

AllBinary Platform Game with GDevelop Generates AllBinary Platform game code using JSON from the GDevelop editor. The generated code in turn builds out to Android, HTML5, J2SE, J2ME, and the like ...

Core GDevelop core library, containing common tools to implement the IDE and work with GDevelop games. GDJS The game engine, written in TypeScript, using PixiJS (WebGL), powering all GDevelop games.