Shizuku:
https://github.com/RikkaApps/Shizuku
Using system APIs directly with adb/root privileges from normal apps through a Java process started with app_process.
Sui:
https://github.com/RikkaApps/Sui
Modern super user interface (SUI) implementation on Android. It mainly provides the ability to use Android APIs directly (almost in Java as the identity of the root, and start app's own AIDL-style Java service under root.
Swiftbackup,sai and icebox already support shizuku,and greenify will supoort it soon.