Zendesk - Zendesk is a beautiful, lightweight help-desk solution.
Splitwise - Splitwise is a free tool for friends and roommates to track bills and other shared expenses, so that everyone gets paid back. On the web, iPhone, and Android!
HiOperator - HiOperator is a virtual assistant that answers phone calls, chats with customers, provides in-app help, takes orders, and provides support.
Kittysplit - The easiest way of sharing costs with a group of friends
ClaimCompass - Get paid for delayed or cancelled flights
ihatemoney - Manage your shared expenses, easily