Lossless Scaling Frame Generation on Linux
Cross-platform 2D and 3D game engine with modular architecture
Voxel game-creation platform with easy modding and game creation
Multi-platform 2D and 3D game engine
A free/open source client and automation tool for Ragnarok Online
Source code repository of the FreeOrion project
Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
3D Game engine with editor
Free game engine for development of desktop, mobile, and web games
Code for Cicero, an AI agent that plays the game of Diplomacy
A shield for the Arduino Mega that can back up video game cartridges
Mini game engine for games104
A distributed flight sim and front end for JSBSim
Amazon Lumberyard is a free AAA game engine
2D Game Engine with Lua Scripting made on top of SFML
An End-To-End, Lightweight and Flexible Platform for Game Research
The Atomic Game Engine is a multi-platform 2D and 3D engine
realtime 3d surface rendering library
3D Game engine
A 3D, fully concurrent game engine
Pear3DEngine is a modern and modular 3D development framework