Spotify - Map shows when two people play same song at same time
Bloomerang - Bloomerang is a simple donor database and fundraising software solution that helps nonprofits decrease donor attrition and increase revenue.
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
Kindful - Nonprofit donor database + fundraising tools all in one
SoundCloud - Enjoy music & follow favourite artists
Classy - Expressive, flexible, and powerful stylesheets for native iOS apps