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!
Birdly - Birdly is an expense management and expense report solution for SMBs.
SplittyPie - Create event, add users and their expenses.
Siftery Track - Effortlessly visualize & optimize your team's software spend
Kittysplit - The easiest way of sharing costs with a group of friends
Fly Cash - Expense tracking as easy as chatting