Monarch - Social media sharing plugin for WordPress
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!
Zeta - Personal finance for couples
Splittable - Shared living made simple
Mint - Free personal finance software to assist you to manage your money, financial planning, and budget planning tools. Achieve your financial goals with Mint.
Dinngo - Splitting payments the fun and easy way