Splittable - Shared living made simple
Bendigo Banking App - Internet Banking. Designed for now.
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!
POINT - Awesome link sharing/commenting with friends.
/Tab - The simple way to split a bill among friends.
Kyupid - Productivity for Couples