- objc.io - A periodical about best practices and advanced techniques in Objective-C
- NSHipster - Interesting not-so-well-known bits about Objective-C and Cocoa
- iOS Unit Testing by Stuart Macgregor 13 Mar 2013
- Layer Trees vs. Flat Drawing – Graphics Performance Across iOS Device Generations by Florian Kugler 24 May 2013
- Overview of iOS Crash Reporting Tools by Cesare Rocchi 20 May 2013
- Getting Started With iOS Development by Stewart Gleadow 2 Jul 2012
- iOS Code Review: Loose Guidelines
- Cocoa Tumblr
- Cocoapods - Dependency management
- Cocoa Controls - Open source and commercial UI components for iOS and OS X
- xctool - A replacement for Apple's xcodebuild
- xcpretty - Flexible and fast xcodebuild formatter
- deriveddata-exterminator - A magic button in Xcode to exterminate the current project's DerivedData directories
- AFNetworking - A must have networking framework (most watch and star iOS library on GitHub)
- ObjectiveSugar - Rubyish Objective-C additions for collection classes
- Subliminal - Acceptance testing
- Frank - Acceptance testing
- Appium - Acceptance testing
- Calabash - Acceptance testing
- KIF - Unit and functional testing
- Kiwi - BDD
- app.io - Run iOS apps in the browser
You may need an Apple developer account to watch WWDC videos
Full list #####Recommended
- What’s New in Cocoa Touch
- What’s New in iOS User Interface Design
- Hidden Gems in Cocoa and Cocoa Touch
- Exploring Scroll Views on iOS 7
- Integrating JavaScript into Native Apps
- Introducing Text Kit
- What's New in Cocoa Touch
- Modern Objective-C
- Enhancing User Experience with Scroll Views
- Introduction to Attributed Strings for iOS
- Introduction to Auto Layout for iOS and OS X
- Introducing Collection Views
- Introducing Passbook, Part 1
- Capptivate - Captures transitions between app screens and animated UI elements
- Mobile Patterns - Captures app design patterns
- pttrns - Another one captures app design patterns
- Ratchet - A bootstrap-ish thing for prototyping iPhone app using HTML & CSS
- Clank - An open source HTML/CSS framework for prototyping native phone/tablet applications.
- POP - An iPhone app to facilitate prototyping on paper
- MockUPhone - Generate screenshots on devices
- PlaceIt - Generate real-life mockups on devices
- Dribbble - PSD templates for different devices