Great Downloader easy to use can convert into multiple file formats. Fast and impressive
YouTube Music - YouTube Music is a streaming app primarily designed for Android and iOS mobile devices. The app lets individuals search for music from their favorite artists, enjoy playlists, and access 30 million musical tracks.
Video DownloadHelper - Browser extension to download videos from the Web
Radios.YT - Listen to the best YouTube music livestreams for free, 24/7
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
YT Music - An unofficial Mac app for YouTube Music
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.