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!
EquiTable - Split the bill fairly
Dinngo - Splitting payments the fun and easy way
Cluttr - Personal assistant for housemates 🏠🙌
Spend Together - Spend more time on things that matter, rather that arguing about who owes whom and how much
Kittysplit - The easiest way of sharing costs with a group of friends