Lunch Money - A personal budgeting tool with multi-currency support
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!
Simplifi by Quicken - The simple way to stay on top of your finances.
Dinngo - Splitting payments the fun and easy way
Monse - Privacy-friendly personal finance application
/Tab - The simple way to split a bill among friends.