CTFs as you need them
A simple and easy-to-use library to enjoy videogames programming
Arianne is an engine to develop multiplayer online games like Stendhal
All-In-One program that combines multiple Fortnite Dev Account tools.
Game engine supporting many 3D/2D formats and graphic effects
Modern 3D engine and IDE written using C# and C++.
Multidocument automation by templates - for sphinx, mkdocs, epydoc ...
An API for interacting with Starcraft: Brood War (1.16.1)
The Old PacMan! programed over the Salvat Game Fabric platform
Asphyre is a cross-platform framework for Delphi and FreePascal.
3D .NET engine for Windows, Linux, Mac
evolution for vegastrike SpaceSim/Combat/Trade game
Cross-platform C framework very compact libraries and tools.
AutoTeach makes kids study and learn in exchange for internet access.
A generic 2D engine for any kind of game
C++ game libraries plus server.
2D Game Engine, based on OpenGL and focused on Isometric Games
Pear3DEngine is a modern and modular 3D development framework
Multi-Language Wrapper Collection for the Irrlicht Engine