Reusable code for building video games with Jogamp NEWT
lua dev plugin for unreal engine 4 or 5
Open game and rendering engine packed into a JavaScript framework
Game engine supporting many 3D/2D formats and graphic effects
Self-hosted CMS platform based on the Laravel PHP Framework
Orx: Portable Game Engine
Amateur 3D Game Engine
A simple cross-platform game engine for creating old-school 2D games
OgreWin3D
PyCAPGE - Python Classic Adventure Point and Click Game Engine
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.
Modern 3D engine and IDE written using C# and C++.
A 2D game engine and level editor
8-bit Graphical API for Java
Source code of the chapters of the book 3D Game Development with LWJGL
2D ARPG Engine
3D .NET engine for Windows, Linux, Mac
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
Open Game Bootstrap
XNA based game engine completely written in c#