Although not for the iPhone per se, this is... (from the Readme:) A MobileMe web scraper that exposes Apple's Find My iPhone service to the command line. This allows you to programmatically retrieve your phone's current location and push messages (and an optional alarm) to the remote device.

The code in FTUtils is common utility code extracted from Free Time Studios iPhone projects. Currently, there is only one primary utility (FTAnimationManager) and some simple preprocessor macros. Some unit tests exist for the code, but more are needed. The documentation is also still under development.

FeedParser is an NSXMLParser-based RSS/Atom feed parser for Cocoa. It is intended to parse well-formed RSS and Atom feeds on both the desktop and the iPhone.

FeedParser was designed to parse valid RSS and Atom feeds, including support for extensions outside of the RSS or Atom namespaces. All parsed feeds MUST be well-formed, but the parser may or may not enforce validity.

The official Last.fm iPhone application

A streaming audio player class.

This project shows the kind of data a rogue iPhone application can collect.