Kamua - Automate video resizing, cut-downs & captions for social
Openwhyd - Collect and Share the tracks you love.
Node Video - Most powerful video editing app ever
Music Smasher - Find any song. Music Smasher searches Spotify, Rdio, SoundCloud, Bandcamp, and YouTube.
Flixier - Flixier Pro is an online video editor that speeds up your workflow with 1 minute rendering on any device, streamlined communication and collaboration features and plenty of cloud storage.
Zoff - Collaborate on a live music and video playlist with your friends.