TubeLister - Generate a YouTube playlist from your opened tabs.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Tuned Rocks📺 - Discover🔎 curated Youtube videos 24/7
Playmoss - Create playlists from YouTube, Vimeo and SoundCloud
DiskyT - Youtube playlists done right
Audioship - Upload audio to YouTube or Facebook