Spotify - Map shows when two people play same song at same time
TubeChop - TubeChop allows you to easily chop a funny or interesting section from any YouTube video and share it.
SoundCloud - Enjoy music & follow favourite artists
Youtube Trimmer - Youtube Trimmer is a robust and free-to-use online tool that is helping you out to trim YouTube videos up to any certain length.
Last.fm - The world's largest online music service. Listen online, find out more about your favourite artists, and get music recommendations, only at Last.fm
Highlight Reels by Milk Video - Turn videos into highlight reels