Morphe changes the app on your device directly, so no need to mess with your internet or root your phone. You can go with Simple mode for a quick setup with good default settings, or Expert mode to choose from over 100 patches and tweak things like colors and switches. It works with split apps, and Expert mode even shows live memory usage and logs while it's patching.
You're not stuck with just one place for patches – you can add any compatible bundle using a GitHub link or deep link, and there's a pre-release option for early access. You can install it using the regular Android installer, a Magisk root installer that updates without wiping your data, or any other installer you already have.
It's a spin-off of ReVanced Manager and URV, written in Kotlin, and it's GPLv3 licensed with one rule: you can't use the name "Morphe" in other versions. Just a heads up, it only works with YouTube, YouTube Music, and Reddit right now, so it's not a free-for-all patching platform.