Gideros Release version
Desktop/Android/HTML5/iOS Java game development framework
One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
Game engine supporting many 3D/2D formats and graphic effects
lua dev plugin for unreal engine 4 or 5
Open source library for creative expression on the web, desktop, etc.
A game framework written with osu! in mind.
Orx: Data-Driven Game Engine
Molecular viewer and prototyping framework
Vivid3D is an open-source 3D engine with powerful 2D UI.
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Cinema Enters Game Console
Modern 3D engine and IDE written using C# and C++.
A cross platform Lua based game engine
Cross-platform 2D and 3D game engine
Source code of the chapters of the book 3D Game Development with LWJGL
Portable game engine with main focus on point-and-click adventures
Vivid Engine 2 is an open source 3D Engine coded using C# and C++.
Open-source, cross-platform, C++ game engine for creating 2D/3D games
3D .NET engine for Windows, Linux, Mac
An advanced flexible game engine for Java.
evolution for vegastrike SpaceSim/Combat/Trade game