Bowtie - Bowtie is a desktop accessory that allows you to see and control your music (iTunes, Spotify...
Sleeve - Your currently playing track displayed right on your desktop
Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
Uber Ride Request Widget - Embed the Uber experience in your app in a few lines code
Owlead - Grow your Twitter with valuable followers, effortless
Musicspace - Music catalog management & protection for musicians.