jsonkit

An easy/fast way to add JSON encoding/decoding to your cocoa project. Original Author: Jason Allum

css-sprite-generator

This is a quick little utility to take some of the pain out of stitching together graphics for use as css-sprites it was conceived to fit a specific workflow. Original Authors: Saul Rosenbaum - Chris Morrell

showmeonthedock

A trivial Objective-C/Cocoa application for icon developers that displays icon (.icns) files that are dropped on it, as the app's icon on the dock.

pygooglecalendarreader

Uses Google Data APIs to pull calendar information and print it out into a list for easy "upcoming events" listings.