How to create the best Mac Icons
App Icon Sizes · phonegap/phonegap Wiki · GitHub
access core functions on Android, iPhone and Blackberry using JavaScript - phonegap/phonegap
iOS 9 App Icon Template
App Icon Template
… a free Photoshop resource that makes it easier for you to make icons. Edit a single object and it’ll automatically render out all the various sizes required on iOS & Android. Build in textures and colors make it easy to get started and the bundled actions make exporting a breeze.
Makeappicon
Generate app icons of all sizes in a click!
GUIdebook: Graphical User Interface gallery
The untold history of macOS System Preferences
IconFly
The powerful tool for create Mac, iPhone, iPad and Apple Watch icons.