A web-based IDE for HTML5 game development. Powered by Phaser
SonarSource Static Analyzer for Java Code Quality and Security
OpenSoldat is a unique 2D (side-view) multiplayer action game
Open QR Code is an open-source, cross-platform app
Cooperative multiplayer graphical RPG and adventure game
An easy to use 2D HTML5 game engine written in TypeScript
Free, cross-platform 2D game engine powered by Haxe and OpenFL
A game engine powered by python and panda3d
Java/JavaFX/Kotlin Game Library (Engine)
Arianne is an engine to develop multiplayer online games like Stendhal
A Minecraft Java Edition Launcher for Android and iOS
Desktop/Android/HTML5/iOS Java game development framework
Pymunk is a easy-to-use pythonic 2d physics library
Barcode scanning library for Java, Android
Naev is a 2d action/rpg space game, action, rpg and simulation
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
A J2ME emulator for Android
Gideros Release version
Action RPG that's easy to mod
Stride (formerly Xenko), a free and open-source cross-platform C# game
Ct.js is a desktop game engine that makes learning programming fun
One framework for creating powerful cross-platform games
The Tiny JavaScript Game Engine That Can!
Free game engine for development of desktop, mobile, and web games