Make Minecraft Java Edition mods, Minecraft Bedrock Edition Add-Ons
Source code repository of the FreeOrion project
Free game engine for development of desktop, mobile, and web games
Stride (formerly Xenko), a free and open-source cross-platform C# game
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
Self-hosted CMS platform based on the Laravel PHP Framework
Zig game engine & graphics toolkit
PyCAPGE - Python Classic Adventure Point and Click Game Engine
Organizes and searches user-defined items and images in a MySQL DB.
Source code of the chapters of the book 3D Game Development with LWJGL
Web powered cross-platform 3D, WebXR game engine
An awesome movie collection manager.
XNA based game engine completely written in c#
C++ Framework for slot machine games