- Awesome iOS: A curated list of awesome iOS frameworks, libraries, tutorials, Xcode plugins, components and much more.
- Awesome iOS UI: A curated list of awesome iOS UI/UX libraries. Includes previews.
- Swift Toolbox: A community-supported catalog of iOS and OSX libraries written in the Swift Programming Language.
- Open Source iOS Apps: A list of open source apps that you can learn/get inspired from.
- Swift Programming Language: Apple developer guide.
- LearnSwift: A curated list of helpful resources to learn Swift. Tutorials, Code Samples, References and more!
- iOS-Blog: Swift and Objective-C tutorials. They also include articles about third party libraries and resources that can be helpful.
- CocoaDevCentral: Tutorials and articles about Objective-C and Cocoa technologies.
- Vea Software: Video tutorials.
- Shrikar: Learn iOS application development by building real world apps.
- Design Guidelines: A great post about some design guidelines that includes a quick reference for resolutions and display specifications for different iOS devices.
- iOS8 UI Kit: A free iOS8 UIKit for Sketch and Photoshop.
- Scroll Views
- Table Views
- Gesture Recognition
- Apple Mapkit
- Google Maps
- Auto Layout
- Twitter API
- Action Sheet iOS8
Code Style Guide
- CodePath Android Cliff Notes: Crowd sourced android guides for every level.
- Getting Started by Google
- Android Architecture Blueprints: A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.
- Android Fundamentals: An online course built in collaboration with Google. Build a cloud-connected Android app, and learn the tools, principles, and best practices of mobile and Android development that you’ll apply to your own projects.
- Android 4 App Development Essentials
- Styling Android: A guide to applying styles and themes to Android apps.
- TechnoTalkative: Android tutorials by technology and topic.
- Vogella Android Development
- Awesome Stock Resources: A curated list of awesome stock photography, video and illustration websites.
- Material Icons: Icons for Google's material design.
- TheNounProject: Icons based on nouns