Fiscal-responsibility site Feed the Pig offers a wealth of tools, tips and articles to help you keep your finances under control.
Start with its two calculators. The first shows you how much money you can save over time by brown-bagging your lunch. The second helps you pay off your credit card over a set period. Feed the Pig also has articles on establishing a budget; a worksheet for determining your personal cash-flow; tips for buying a home; and much more.