The HIG contains guidance and best practices that can help you design a great experience for any Apple platform.| Apple Developer Documentation
Formatting Content| developer.apple.com
Agreements and Guidelines for Apple Developers| developer.apple.com
Connect with fellow developers and Apple experts as you give and receive help on a wide variety of development topics, from implementing new technologies to established best practices| developer.apple.com
(Formerly entitled Guidelines for Third Parties Using Apple Trademarks and Copyrights)| Apple Legal
The App Review Guidelines provide guidance and examples across a range of development topics, including user interface design, functionality, content, and the use of specific technologies. These guidelines are designed to help you prepare your apps for the approval process.| Apple Developer
Code-level support| developer.apple.com