Wannathis - 3d illustrations and freebies
iOS Icons - The first marketplace for custom iOS icon packs
Craftwork - A collection of User Interface resources made by Craftwork
System 1 iOS 14 Icons - Bring your iPhone back to the good old days
MakeAppIcon - MakeAppIcon resizes and optimizes your icon designs into all formats needed for iOS and Android mobile app!
Fluo - Alternative home screen icons