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!
Arthena - Quantitative research in art assets.
Splittable - Shared living made simple
Otis - Own a piece of culture.
EquiTable - Split the bill fairly
Nebula - Nebula is an arcade emulator.