FreeTube/Piped on PC

ReVanced on droid

uYou+ on 🍎 phone

SmartTubeNext on 📺

Youtube can do the fuck they want on their website

yt-dlp is the successor. On droid there are several beautiful front ends for yt-dlp so you don’t need a terminal emulator

These clients use the same set of APIs as the YouTube official client. Unlike the Twitter and Reddit clients which used APIs for 3rd-party.