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!

4thewords - Write more, have fun. We’re a writing software that blends productivity and game mechanics so you can defeat writer's block and build a consistent writing habit! (We’re like a gym, built by writers, for writers)

Kittysplit - The easiest way of sharing costs with a group of friends

Write or Die - Write or Die is an application for Windows, Mac and Linux which aims to eliminate writer's...

ihatemoney - Manage your shared expenses, easily

The Most Dangerous Writing App - If you stop typing, all progress is lost.