PocketTube - Group YouTube subscriptions into YouTube folder. Video Deck for Youtube. Mark as watched videos. Filter YouTube video. Youtube mode
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback
YouTube - Our mission is to give everyone a voice and show them the world.
NewPipe - NewPipe is a lightweight YouTube front-end for Android.
PlamasTube - Video & Movies
Captionfy.io - Captionfy is a free Youtube community captions platform with a subtitles/captions editor that you can use to create captions for any public Youtube video.