Flexible level editor
Endless Sky is a sandbox-style space exploration game
Voxel game-creation platform with easy modding and game creation
Rcon client for Minecraft
Open Source MMORPG Framework
Free game engine for development of desktop, mobile, and web games
HTML5 Phigros chart player/simulator
Cross-platform 2D and 3D game engine with modular architecture
A modular Common Lisp game engine
An open source flight dynamics & control software library
fheroes2 is a recreation of Heroes of Might and Magic II game engine
A tech mod for Minecraft themed around the magic of nature
Lossless Scaling Frame Generation on Linux
A unique Spigot/Paper plugin that looks and feels like a modpack
A 2D rigid body physics engine for the web
A game engine with an emphasis on real-time cutting-edge solutions
Provides efficient allocation free async/await integration for Unity
A isometric city builder in JavaScript
Traditional roguelike game with pixel-art graphics
Doom-based AI research platform for reinforcement learning
Open source simulation game based on Transport Tycoon Deluxe
Fast and lightweight JavaScript game engine built on WebGL and glTF
New Modpack with Gregtech, Thaumcraft and Witchery
CTFs as you need them
Godot game template and component-based framework