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!
TravelPerk - Corporate Travel Management
EquiTable - Split the bill fairly
TravelBank - A modern travel, expense, and rewards app for SMBs.
Splittable - Shared living made simple
Egencia - Egencia is a corporate travel management system.