NOISESUPPLY - Pandora for SoundCloud
TubeLister - Generate a YouTube playlist from your opened tabs.
Tuned Rocks📺 - Discover🔎 curated Youtube videos 24/7
Vidlis - Create music playlists from YouTube videos.
OrganizeTube - Create video playlists from Youtube, Vimeo and other sources
Playlist Machinery - Tools that help you create & organize your Spotify playlists