CTFs as you need them
Self-hosted CMS platform based on the Laravel PHP Framework
Fast and lightweight JavaScript game engine built on WebGL and glTF
Open source library for creative expression on the web, desktop, etc.
ThinkPHP Framework
Gideros Release version
High-efficiency minimalist C++ wrapper for OpenGL 4.3
PyCAPGE - Python Classic Adventure Point and Click Game Engine
SDL based generic 2D game engine
Arianne is an engine to develop multiplayer online games like Stendhal
TX Library is a tiny graphics library for Win32 written in C++.
Game/Scene Development System
Game engine supporting many 3D/2D formats and graphic effects
JavaScript framework to build game engines, games, emulators and apps
INSTEAD - Simple Text Adventure Interpreter.
An isometric arcade-style game of skill, puzzles and exploration
Reusable code for building video games with Jogamp NEWT
Ze Text Adventure game Builder : Create as you play !
OgreWin3D
Updated emulator of Forgotten Realms: Unlimited Adventures
Small lightweight program to customize your keyboard
Java Settlers
2D Game Engine