SoundClick - SoundClick is a music-based social community.
TubeLister - Generate a YouTube playlist from your opened tabs.
Music Smasher - Find any song. Music Smasher searches Spotify, Rdio, SoundCloud, Bandcamp, and YouTube.
DiskyT - Youtube playlists done right
Openwhyd - Collect and Share the tracks you love.
Tuned Rocks📺 - Discover🔎 curated Youtube videos 24/7