It supports downloading all the raw formats (the video only ones, audio only ones, and the 360p & 720p integrated formats). More meant for watching than downloading, but some more advanced downloading features, such as merging audio+video with ffmpeg to get more downloadable qualities and auto-downloading options for playlists are planned.
https://github.com/user234683/youtube-local
It supports downloading all the raw formats (the video only ones, audio only ones, and the 360p & 720p integrated formats). More meant for watching than downloading, but some more advanced downloading features, such as merging audio+video with ffmpeg to get more downloadable qualities and auto-downloading options for playlists are planned.