Async GIF image decoder and Image viewer supporting play GIF images. It just use very less memory.

OSC and MIDI frameworks for OS X and iOS, a framework for managing and rendering to GL textures in OS X, and a functional ISF (interactive shader format) implementation for OS X.

MIDI to Keystroke Macro convertor for OS X

User-space HID multitouch touchscreen driver for Mac OS X /WTFPL/

User-space HID multitouch touchscreen driver for Mac OS X (Adapted for XPS 15 9560 from kyewei/osxhidtouch)

User-space HID multitouch touchscreen driver for Mac OS X (Adapted for Acer V7-482PG from astarasikov/osxhidtouch + some extra features)

Quick demo of custom-colored hatching within vector shapes in the MapBox iOS SDK