UITableView subclass that abstracts away the ugliness involved with creating static or modular UITableViews. Settings and menu pages are a snap to create with DAModularTableView.

DAReloadActivity is a UIButton subclass (with a refresh arrow by default) with UIActivityIndicatorView properties.

UIScrollView for iPhone with horizontal paging like mobile Safari tabs

Some examples of drawing a popover bubble for iPhone.

Self-contained, two-file (.h/.m) iPhone/iPad components that are dead-easy to drop into your projects

The "Goto" In App Purchases Framework for iOS 8+

Providing a Calendar Widget and Event creation for iPhone

Open source code for the idevrecipes.com blog

A set of Objective-C additions and macros that helps you write code more quickly.

A collection of useful .gitignore templates

a Tweetie-style tab bar for the iPhone

A simple iPhone forms library

Super Awesome Easy Fetching for Core Data!

Drop in sharing features for all iPhone and iPad apps

Useful UIImage categories for iPhone/iPad developers.

Calendar API for iPhone

This iOS framework allows settings to be in-app in addition to or instead of being in the Settings app.

Unofficial core-plot mirror (official version now here: https://github.com/core-plot/core-plot)

An Objective-C augmented reality kit for iPhone.

A utility that reminds your iPhone app's users to review the app.

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

Sample Code

iPhone UIKit based sample code for handling various types of touches

Three20 is an Objective-C library for iPhone developers

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