Kittysplit - The easiest way of sharing costs with a group of friends
SplittyPie - Create event, add users and their expenses.
ihatemoney - Manage your shared expenses, easily
Splid - Splid helps friends manage their money.
WieBetaaltWat - With WieBetaaltWat you can manage a list with your shared expenses.
/Tab - The simple way to split a bill among friends.