A drop-in universal solution for moving text fields out of the way of the keyboard in iOS
Password Validator & Strength Evaluator
Customisable checkbox class for Objective-C
MailCore is a Mac/iOS framework for working with the e-mail protocols IMAP and SMTP
Mail Framework for C Language
A collection of libraries such as OpenSSL, Cyrus SASL, OpenLDAP, and PCRE which have been ported to the iPhone/iOS platform.
Move a field to the parent class, together with its property (if it has one).
A simple Google+ Hangouts API demo that uses Scribd for displaying a synchronized slideshow