Resources

A collection of my most-used and recommended resources. Anything that should be one here? Let me know in the comments or shot me an email at sk@geekmind.net.

iOS

Learning

• Stanford CS 193P iPhone Application Development
• Apple WWDC Videos [ 2010 | 2011 | 2012 ]
• iOS Human Interface Guidelines
• Cheddar for iOS - a fantastic iOS5 open source project to learn from

Libraries

• Networking
• AFNetworking - probably the most popular networking library out there
• MKNetworkKit - an ARC-ready networking library for iOS and Mac OS X
• RestKit - data model for remote resources. Generally good, but many times you want to get to a lower level.
• Authentication
• Facebook
• Twitter
• The Accounts and Twitter Framework on iOS 5 [GitHub]
• Google (sample code)
• UI
• PaperFold - a paper folding animation

UI

• Cocoa Controls - custom controls and views for iOS and Mac OS X
• Sizes of iPhone UI Elements

Interesting Blogs

• Big Nerd Ranch - technical blog with high quality articles. They also write great books.
• TUAW - The Unofficial Apple Weblog
• r/iPhoneDev and r/iOSProgramming

App Store

• App icon specifications for iPad & iPhone

Other

• NSIncrementalStore - The future of web services in iOS
• Containment API (iOS 5+)
• Containing View Controllers

Android

Learning

• Android Developer Portal
• Android Design Guidelines
• Google I/O Videos [ 2011 | 2012 ]

Libraries

• General
• Guava - Google's core libraries (collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, etc)
• RoboGuice - Java injections for Android. Very useful!

Other

• 10 amazing Android development tips
• Android Best Practices and Tips
• Designing For Android: Tips And Techniques

UX

Generic

• UX Design on Smashing Magazine
• UX Week 2011 -  25 User Experience Videos That Are Worth Your Time

Mobile

• pttrns - iOS UI Patterns
  
• Beautiful Pixels - showcase of some of the most beautifully designed apps
• Meer.li - showcases of exceptional mobile designs.

Gestures

• Open Source Gesture Library
• High-res png image
• Touch Gesture Reference Guide

Icons

• Techniques and Tools for Creating and Testing a Professional App Icon
• The Art Of The iOS Icon

Mobile Marketing

General

• The Beginner’s Guide to Mobile App Marketing

Promotion

• Smore App Flyers - simple, beautiful product websites for your app

SEO

• App Store SEO
• How to improve App Store Search Rankings with Mobile SEO...for Beginners