Three20 is an Objective-C library for iPhone developers

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

tap + haiku = tapku, a well crafted open source iOS framework

App Sales allows iPhone and Mac App Store developers to download and analyze their daily and weekly sales reports from iTunes Connect.

Set of tools and utilities (command line, GUI, Mac Service) to transform NIB files for the iPhone into Objective-C code files

Sample Code

OAuth2 client for iPhone and iPad apps

The HealthVault team has recently added the capability to write applications that will run on Mobile Devices and connect directly to the HealthVault Service. HealthVault iOS library enables develop…

Implementation of basic methods in linear programming problem.