BudgetView!

GnuCash is personal and small-business financial-accounting software, freely licensed under the GNU GPL and available for GNU/Linux, BSD, Solaris, Mac OS X and Microsoft Windows.

Personal home budget software built with Four Simple Rules to help you quickly gain control of your money, get out of debt, and reach your financial goals!

HomeBank is a free software. Use it to manage your personal accounts. It is designed to easy to use. Analyse your finances in detail using powerful filtering tools and graphs.

Mint.com is a free web-based personal financial management service for the US and Canada.

Money Manager Ex is a free, open-source, cross-platform, easy-to-use personal finance software. It primarily helps organize one's finances and keeps track of where, when and how the money goes. It is also a great tool to get a bird's eye view of your financial worth.

Free online personal finance software for budgeting and expense management. Track shared expenses, split bills, and debts.

KMyMoney is a personal finance manager for KDE. It enables users of open source operating systems to keep careful track of their personal finance by providing a broad array of financial features and tools.

moneyGuru is a personal finance management program.

Grisbi is a personnal accounting application running under GNU/Linux and Windows, released under the GPL licence.

Skrooge allows you to manage your personal finances, powered by KDE 4.x. Thanks to its many features, it is one of the most powerful way to enter, follow, and analyze your expenses.

The easiest way to track and forecast your wealth - using a calendar. Put all of your income and expenses on a calendar so its easy to see your daily balances, when bills are coming out, get reminders and see where your money is going.