NewPipe - NewPipe is a lightweight YouTube front-end for Android.
Minitube - Minitube is a YouTube desktop application.
MenuTube - Do you enjoy listening to YouTube's podcasts, audiobooks, interviews or anything else that...
FreeTube - FreeTube is an open source desktop YouTube player built with privacy in mind.
Tubbler - YouTube Movie Player for Mac OS X.
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback