CTFs as you need them
Self-hosted CMS platform based on the Laravel PHP Framework
Open source library for creative expression on the web, desktop, etc.
JavaScript framework to build game engines, games, emulators and apps
Updated emulator of Forgotten Realms: Unlimited Adventures
A cross platform Lua based game engine
Generate ready-to-use disc images for your Sega Dreamcast system!
Asphyre is a cross-platform framework for Delphi and FreePascal.
.NET - VISUAL BASIC NVIDIA +ATI PHYSX SLIMDX DIRECTX 9 -ENGINE/WRAPPER
Gorgon Game Engine (GGE) is a C++ game engine that handles many tasks.
a game library to develop audio games
Multi-threaded 2D Renderer licensed under the Mozilla Public License
C++ Framework for slot machine games
MultiLingual Interactive Fiction
Scriptable frontend for media applications.
Allows the Sourcemod FunCommands to be limited
3D Web UI, Embed Web and Flash in 3D Games, based on WebKit
NinYawg Adventure
Pear3DEngine is a modern and modular 3D development framework
DiaT is a Textadventure