Bowtie - Bowtie is a desktop accessory that allows you to see and control your music (iTunes, Spotify...
Ushahidi - Ushahidi gathers data from various sources and reports incidences around the world in real time.
Muzzy - it’s a tiny and gorgeous iTunes companion that lives on your menu bar. For Mac OSX, its free!
360social - 360social is a browser plugin that shows the social footprint of the people you want to connect with right inside your browser.
Owlead - Grow your Twitter with valuable followers, effortless
AwesomeHunt - Community-curated lists of learning resources on any topic.