A delightful networking framework for iOS, macOS, watchOS, and tvOS.

Asynchronous image downloader with cache support as a UIImageView category

MBProgressHUD + Customizations

iOS and Mac Cocoa library for communicating over USB

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Custom UIView for iOS that pops up an animated "bubble" pointing at a button or other view. Useful for popup tips.

Programmers' editor for OS X [DEAD PROJECT]

Painless high-performance audio on iOS and Mac OS X

A (tampering) proxy server for Apple's Siri

iOctocat v1 - GitHub for iOS (works on the iPhone, iPad, and iPod Touch)

Open source release of Canabalt for iOS

Open source map library for iOS

Open source iPhone code

Making Auto Layout easier to code.

A toolkit consisting of a bunch of generally useful routines and extensions I wrote when putting together other projects.

SLExpandableTableView is a UITableView subclass that gives you easy access to expandable and collapsable sections by just implementing a few more delegate and dataSource protocols. (iPhone, iPad, iOS)

a Tweetie-style tab bar for the iPhone

An iPhone ready, Objective-C implementation of an OAuth consumer.

Photoshop layer styles for iOS icons. Stop maintaining a separate file for each color, resolution, and style.

Plugins for fixing Xcode 4 bugs and shortcomings

GUI Mac Wrapper for iPhone Simulator Binaries.

NSNotificationCenter and KVO auto removal of observers.

iOS Notifications. Done right.

Sample project showing how to create a paging-enabled UIScrollView which shows previews of neighbouring content.

A libspotify-based Spotify client for Mac OS X Lion.

A rewrite of Apple's Autoingest.java in Objective-C

SwapKit facilitates IPC between iPhone applications on iPhone OS 3 and later.

A simple split-view-based filesystem browser for the iPad. Find out what you can read or write!

Proof-of-concept Safari plugin for iPhoneOS