An in-app debugging and exploration tool for iOS

Three20 is an Objective-C library for iPhone developers

Remote network and data debugging for your native iOS app using Chrome Developer Tools

Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone

Promises is a modern framework that provides a synchronization construct for Swift and Objective-C.

This iOS framework allows settings to be in-app in addition to or instead of being in the Settings app.

A UI framework for Mac based on Core Animation

iOS project bootstrap aimed at high quality coding.

Objective-C Twitter integration library for Mac OS X and iPhone. Official repository.

A simple OS X status bar menu wrapper for ShairPort / HairTunes

A highly opinionated image loader and cache optimized for UITableView scrolling performance

Mini-Mallows: A Multi-Part Form Wrapper for Cocoa & iPhone