For all you non-programmers, this page will be of little or no use to you.
Since I'm a programmer, it only follows that I write code. My public stuff is currently all for Corona SDK, as I don't feel that I have the time to maintain projects on multiple platforms at the same time.
Dusk is an fast, open-source Tiled map loader and game engine, featuring automatic culling, smart property loading, a built-in camera system, and much more.
CBE is an open-source particle effects engine. Create beautiful effects with incredible ease, while retaining complete control over the minutiae of each particle at the same time.
Perspective is a stable, powerful, and lightweight library that makes it easy to add a virtual camera system - complete with smooth tracking, parallax scrolling, and layers - to your game.