Cozi - Cozi | Must-have app for the modern family
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!
Google Calendar - Spend less time managing your day & more time enjoying it
Kittysplit - The easiest way of sharing costs with a group of friends
WAVE Calendar - WAVE Calendar is a revolutionary app, which is designed to bring balance to your life
ihatemoney - Manage your shared expenses, easily