Evenfy - 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.
MoMa Sevices AU - Budgeting App, Money Management App, FInancial Wellbeing App
Splid - Splid helps friends manage their money.
GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
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!
Firefly III - Financial manager, it can help you keep track of expenses, income, budgets and everything in...