Softorino YouTube Converter - Download YouTube video & audio. Watch and listen offline
Tartube - You can download individual videos, and even whole channels and playlists, from YouTube and hundreds of other websites.
Yout - YouTube to Mp3 Converter
yt-dlp - A youtube-dl fork with additional features and fixes.
You-Get - Command-line utility to download media contents from the web
4k Video Downloader - 4K Video Downloader is a software program that helps people download video files from sites such as Facebook, YouTube and Dailymotion.