Real Time Strategy game engine supporting early Westwood classics
Gideros Release version
lua dev plugin for unreal engine 4 or 5
Game engine supporting many 3D/2D formats and graphic effects
Orx: Portable Game Engine
Arianne is an engine to develop multiplayer online games like Stendhal
Old-school 2D game engine
SDL based generic 2D game engine
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
Quake PAK file utility
The imaginary eight-bit machine
8-bit Graphical API for Java
A cross platform Lua based game engine
Portable game engine with main focus on point-and-click adventures
Build Cross-platform Applications
C/C++ , PHP, PYTHON, 3D ENGINES, CHROME NATIVE CLIENT
3D .NET engine for Windows, Linux, Mac
Flexible and easy-to-use 2d game engine
A game engine written in the D programming language
An advanced flexible game engine for Java.
THIS SOFTWARE IS IN PRE-PRE-PRE-PRE-ALPHA. So don't really download it
Java decentralized cross-platform network multiplayer game engine
Built to be ease of use, with no programming knowledge, Multi-platform