iOS Categories I use
Pixate Freestyle for iOS
RestKit is a framework for consuming and modeling RESTful web resources on iOS and OS X
A delightful iOS and OS X networking framework
A node.js package for Steven Levithan's excellent dateFormat() function.
A jquery social plugin that enables easy sharing to multple social networks. Share to many social networks (Facebook, Twitter, Tumblr, LinkedIn, Pinterest, Google+) from one toolbar.
A Markdown NSAttributedString parser.
Cocoa library for creating signed requests according to the OAuth 1.0a standard.
Drop in sharing features for all iPhone and iPad apps