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!
Tricount - Manage and share expenses with friends
HomeBank - Access Financial Services. Easy, fee-free banking for entrepreneurs Get the financial tools and insights to start, build, and grow your business.
Kittysplit - The easiest way of sharing costs with a group of friends
Money Manager Ex - Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software.
WieBetaaltWat - With WieBetaaltWat you can manage a list with your shared expenses.