The Flixel Power Tools are a set of plug-ins for Flixel 2.5+
BxEngine For Marmalade And QT
A lightweight HTML5/JS library for making games!
A graphics engine + toolkit.
Game created with playrix engine.
Cross platform 2D game creation framework with Python bindings
Gameserver Installer/Startscript for HL1 and HL2 Games
SuperWikia: The Runtime/Realtime Environment for Codesmiths
C-Lesh is a game programming language for 2D games.
Access to Irrlicht Engine SDK from assembler, C, Python, Basic, Pascal
Cross-platform reimplementation of AMOS BASIC (runtime)
Multi-Language Wrapper Collection for the Irrlicht Engine
Formerly CraveJs, it's for creating JavaScript applications and games.
A cross-platform OpenGL based lightweight scenegraph library
AMOS BASIC reimplementation in Java