I am making a official thread for the apps i recommended in the uyou+ thread. Just so everyone can find it easier.
A home for apps that push the boundaries of iOS.
The new & best way to sideload your favorite games and apps to your Non-Jailbroken iOS device, or Apple Silicon Mac!
Cydia Impactor is a GUI tool for working with mobile devices. It has features already, but is still very much a work-in-progress. It is developed by saurik.