SoundMate - Enjoy SoundCloud from your Mac's menu bar
Followup.cc - FollowUp for email is a lightweight productivity suite that keeps your conversations and tasks from slipping through the cracks. Set perfectly timed reminders that arrive at the top of your inbox, right when you need them.
Tangerine - A beautiful full-screen SoundCloud player
Streak - Manage customers inside Gmail
NOISESUPPLY - Pandora for SoundCloud
Pagevamp - Turn your Facebook page into a website.