An open source iOS framework for GPU-based image and video processing

Staggeringly powerful macOS desktop automation with Lua

Model framework for Cocoa and Cocoa Touch

idb is a flexible command line interface for automating iOS simulators and devices

Chameleon is a port of Apple's UIKit for iOS (and some minimal related frameworks) to Mac OS X.

Example App: How To Efficiently Display Large Amounts of Data on iOS Maps

Simple and easy to use clustering mapView for iOS

Sudoku solver with OCR capability on iOS (edit: developed for iOS 4 before ARC, some memory reference changes may be required to get the app to make a full run.)

MKMapView + UITableView + Parallax scrolling. Provides a framework for building an interactive location picker on iOS.

This project implements 8 clear sky models in a common framework to compare them with each other and with a reference model and reference measurements.

iOS Swift library for Iroha, a simple distributed ledger

A SIMBL plug-in for the Terminal in Leopard which changes the number keyboard shortcuts to switch tabs instead of windows

Repeats

Express Yoyaku application for iPhone/iPod touch