SonarSource Static Analyzer for Java Code Quality and Security
Open QR Code is an open-source, cross-platform app
A web-based IDE for HTML5 game development. Powered by Phaser
An easy to use 2D HTML5 game engine written in TypeScript
OpenSoldat is a unique 2D (side-view) multiplayer action game
A game engine powered by python and panda3d
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Pymunk is a easy-to-use pythonic 2d physics library
Desktop/Android/HTML5/iOS Java game development framework
Stride (formerly Xenko), a free and open-source cross-platform C# game
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Java/JavaFX/Kotlin Game Library (Engine)
Multi-platform 2D and 3D game engine
Free game engine for development of desktop, mobile, and web games
Gideros Release version
One framework for creating powerful cross-platform games
The Tiny JavaScript Game Engine That Can!
Public repository of source code for the Universal Pokemon Randomizer
2D JavaScript Physics Engine
Ct.js is a desktop game engine that makes learning programming fun
A pure Go game engine
Plugin for IntelliJ IDEA that gives special support for Minecraft mods
Cross-platform game engine in Rust