Gideros Release version
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
Game engine supporting many 3D/2D formats and graphic effects
Amateur 3D Game Engine
A simple and easy-to-use library to enjoy videogames programming
Open game and rendering engine packed into a JavaScript framework
lua dev plugin for unreal engine 4 or 5
High-efficiency minimalist C++ wrapper for OpenGL 4.3
Open source library for creative expression on the web, desktop, etc.
A game framework written with osu! in mind.
Orx: Data-Driven Game Engine
Vivid3D is a C++ IDE/3D engine, with python scripting.
An isometric arcade-style game of skill, puzzles and exploration
OgreWin3D
A free 3D game engine to create games and realtimes scenes for Windows
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Updated emulator of Forgotten Realms: Unlimited Adventures
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Cinema Enters Game Console
mGSTEP port of the Cube game engine
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine