YoutubeMultiDownloader - Just like its name YouTube Multi Downloader, it is an online website for downloading the videos of downloading without using any video download and accelerator.
FreeTube - FreeTube is an open source desktop YouTube player built with privacy in mind.
SaveFrom.Biz - Convert YouTube video URL to MP4 file and download it to your device. SafeFrom is the best YouTube video downloader and converter.
NewPipe - NewPipe is a lightweight YouTube front-end for Android.
ShareTube - Watch YouTube, synced with friends.
YouTube Vanced - Vanced is a modded version of YouTube with many features such as adblocking and background playback