System 1 iOS 14 Icons - Bring your iPhone back to the good old days
App Icon Template - Royalty free app icon creator for iOS, OS X and Android
Customico - Access 110 beautifully crafted, minimalist icons for iOS 14.
Radix Icons - A crisp set of 15×15 icons. Open source.
Fluo - Alternative home screen icons
Drawcon - Draw your own app icons