Kickstart an app icon design
App Icon Template
The purpose of these templates is to help you create awesome icons, so everything you create with the templates is completely royalty free.
Other resources
Picto Foundry
Hand crafted icons specially optimized for iOS & Mac Retina Displays.
Tabs Icons
Interface Icons for iOS & Designers.
Glyphish
Great icons for great iPhone + iPad apps.
iconSweets 2
Even more free icons by Yummygum