You No Cards - Hide YouTube end cards and channel logo with a single click
Spotify - Map shows when two people play same song at same time
Youtube Detox - Distraction-free Youtube search
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
YouTube Trending - Making it easier to find viral videos
SoundCloud - Enjoy music & follow favourite artists