Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Head tracking app for games and flight simulation software
API and runtime that allows access to VR hardware
A retro game engine for Python
Self-hosted game stream host for Moonlight
Open source cross-platform multi-purpose game toolkit
Java/JavaFX/Kotlin Game Library (Engine)
An alternative bootstrapper for Roblox with a bunch of extra features
Custom launcher for Minecraft to easily manage installations
C# application with primary purpose of farming Steam cards
An open source reimplementation of the Among Us Server
Free game engine for development of desktop, mobile, and web games
An Android application for browsing video games
A isometric city builder in JavaScript
Open source HTML5 game framework that offers WebGL and Canvas
tour based strategic game
Azuriom is a complete open-source web solution for game servers
Play chess from your terminal
HTML5 Phigros chart player/simulator
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Do virtual gear shifting (and more) in any rider app
Skript is a Bukkit plugin which allows server admins
Moonlight port for Nintendo Switch
Cocos simplifies game creation and distribution with Cocos Creator
A 2D rigid body physics engine for the web