Billsup!

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!

Kittysplit is the easiest way to share group expenses. Period.

WieBetaaltWat (WhoPaysWhat) is a service that allows you to easily settle expenses with a group of people. You can use WieBetaaltWat for:

The goal is to automatically calculate cost allocations at a group event, by simply entering the spending paid by each person and the list of participants. In a few seconds the tool tells you who has to pay back how much to whom. You can send a link to the result by email.Easy to use and quick entry.No login.

Memodude keeps track of who you lent to, reduces your receivables and gets rid of bad payers. A unique algorithm cancels out debts and keeps your preferences into account when doing so: which connections you prefer owing you and of which you are doubtful that they will repay you. Memodude does not need groups: you can memo everyone with an email address.

Create event, add users and their expenses. SplittyPie will calculate who owes who and how much exactly. It's Free and with No Sign Up.

This is a really tiny app to ease the shared houses budget management. Keep track of who bought what, when, and for who to then compute the balance of each person.

Splid helps friends manage their money.Perfect for vacations, share housing and groups who need to share expenses, Splid keeps track of every transaction and shows who owes whom how much. It is simply the easiest way to manage group expenses.

Forget about complicated spreadsheets!

WhoseBill takes a new approach to sorting out money with your friends. It keeps track of everything in one place, offsetting debts and payments against each other, and settling up when you're ready. No more trying to remember every IOU, having to split food and utility bills, or post-holiday spreadsheet nightmares – just WhoseBill it!

A free tool to manage household IOUs with roommates, split bills and track group expenses so that everyone gets paid back. On the web, iPhone, and Android.

Billmonk lets you keep track of debts between friends.

TabSplit allows users to keep track of their "social debts". So if you go out and share a tab it’s easy to split it up between your friends and know who has paid the tab and who owes you the remaining money.

Split The Bill is an app that allows you to split the bill quickly between a certain number of people evenly or down to the penny.