IntentKit — The iOS tool for inter-app linking IntentKit is an open-source iOS library that makes it easier to link to other apps. It’s sort of like Android’s Intents or Windows Phone’s Contracts. For example: If the user has multiple web browsers installed, this will display a modal sheet (similar to an iOS 7-style UIActivityViewController) listing each available application.
Requests: HTTP for Humans — Requests 0.10.2 documentation Requests takes all of the work out of Python HTTP — making your integration with web services seamless. There’s no need to manually add query strings to your URLs, or to form-encode your POST data. Keep-alive and HTTP connection pooling are 100% automatic (…)
Three20 Three20 is a open source Objective-C library used by dozens of well-known brands in the App Store, including Facebook, Posterous, Pulse, Meetup.com, and SCVNGR. Three20 provides powerful view controllers such as the Launcher, the popular Photo Browser, and internet-aware tables.