app-icons topic
alternate-icons
iOS alternate app icons from Asset Catalogs
swiftui-app-icon-creator
Create iOS and macOS application icon in Xcode with SwiftUI
MacAppIconSwitcher
Switches your Mac Application Icons
app_icon_tools
The project is currently abandoned. Features that are already present should work without a problem, in downloadable releases, but no further support or development will be made here. I haven't update...
macOS-Icons
Replacement app and document icons for macOS
ovine-icons
Adaptive icons for a small selection of Android apps
pixel-icon-library
The classic pixelated icons that define HackerNoon.com, are now free to use on your own site / app / product / project :-)
Make-Icons-Swiftly
An Apple Developer tool to generate app icons and images for iPhone, iPad, Mac, Apple TV, Apple Watch and Car Play.