DataKind - A nonprofit connecting data workers and social orgs
Xmind - Xmind is a brainstorming and mind mapping application.
Loftium - Get a down payment for Airbnb'ing a room in your new home
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
TripRebel - Book your hotel now & get a refund when the price drops
FeatureMap - FeatureMap story mapping, simple and effective realtime collaboration and collective intelligence tool.