SonarSource Static Analyzer for Java Code Quality and Security
Open QR Code is an open-source, cross-platform app
Java/JavaFX/Kotlin Game Library (Engine)
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cooperative multiplayer graphical RPG and adventure game
utility collection for 2D game development in Java; sound-player
An easy to use 2D HTML5 game engine written in TypeScript
A game engine powered by python and panda3d
Arianne is an engine to develop multiplayer online games like Stendhal
A Minecraft Java Edition Launcher for Android and iOS
Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Pymunk is a easy-to-use pythonic 2d physics library
Desktop/Android/HTML5/iOS Java game development framework
Jazz² Resurrection: Open-source reimplementation of Jazz Jackrabbit 2
A J2ME emulator for Android
Gideros Release version
Stride (formerly Xenko), a free and open-source cross-platform C# game
Barcode scanning library for Java, Android
Action RPG that's easy to mod
Public repository of source code for the Universal Pokemon Randomizer
Free game engine for development of desktop, mobile, and web games
One framework for creating powerful cross-platform games
Naev is a 2d action/rpg space game, action, rpg and simulation
2D JavaScript Physics Engine