FreeTube - FreeTube is an open source desktop YouTube player built with privacy in mind.
GTK YouTube Viewer - A lightweight application for searching and streaming videos from YouTube.
NewPipe - NewPipe is a lightweight YouTube front-end for Android.
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback
Minitube - Minitube is a YouTube desktop application.
YouTube - Our mission is to give everyone a voice and show them the world.