Stars
A delightful networking framework for iOS, macOS, watchOS, and tvOS.
RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X
A conforming Objective-C WebSocket client library.
A simple iOS photo and video browser with grid view, captions and selections.
Three20 is an Objective-C library for iPhone developers
The Objective-C block utilities you always wish you had.
The iOS framework that grows only as fast as its documentation
Easy to use CFNetwork wrapper for HTTP requests, Objective-C, Mac OS X and iPhone
A utility that reminds your iPhone app's users to review the app.
tap + haiku = tapku, a well crafted open source iOS framework
Chameleon is a port of Apple's UIKit for iOS (and some minimal related frameworks) to Mac OS X.
A similar control to the pull down to refresh control created by atebits in Tweetie 2.
QuickDialog - Quick and easy dialog screens for iOS
Open source code for the idevrecipes.com blog
Source for many of The Omni Group's frameworks
Textual is an IRC client for OS X
A simple iPhone TableViewController for adding pull-to-refresh functionality.
HockeyApp was retired and the SDKs are deprecated. Please use App Center instead.
photoshop-style filter interface for UIImage class on iOS to make instagram-style images
NSWindow subclass with a highly customizable title bar and traffic lights
Tile-based contextual menu for iPad and iPhone developers.
Useful UIImage categories for iPhone/iPad developers.
Allows you to swipe a UITableViewCell and reveal a back view, functions like cells in the "Twitter" app.
Stylish and animated tab view for iOS rendered entirely using core graphics.
ObjectiveFlickr, a Flickr API framework for Objective-C
Smooth & fast line drawing from touch inputs for UIViews using Quartz