Maybe you've heard: We're in an economic downturn. For that reason, most of us are tightening our belts and looking for deals. So to help you keep more of your cash, here's a list of 11 ways you can go online to save money. Some of these sites aren't new, but they bear repeating as a guide in turbulent financial times. We welcome you to add your own suggestions in the "comments" field at the end of this story.

1. Buy used hardware online

You can find all sorts of computers, computer equipment and other hardware at eBay.

The DMOZ Web site provides links to a number of resellers of used computer equipment (we haven't checked them all out so we can't guarantee all the links are still active).

Abacus Computing offers second hand computer equipment.

CCNY offers used and refurbished gear from such vendors as Sun Microsystems and Cisco Systems.

2. Free Web development tools

Here are some sites to help you find some free Web development tools.

BittBox offers free graphic design downloads and tutorials.

Softwaredeveloper.com offers users free downloads and tips.

Work Boxers, a blog about professional Web development also offers free downloads.

At Smashing Magazine you can get information about software, applications and other online tools that you can be downloaded for free.

3. Compare gas prices online

These US Web sites help you find the cheapest gas prices in your city or even your neighborhood. Plug in your ZIP code and you'll get the latest on the lowest prices.

Gas Buddy is a network of more than 181 gas price information Web sites for the US and Canada that help you find low gasoline prices. To provide the most up-to-date information, GasBuddy asks drivers to enter information about the prices at gas stations they frequent.

MSN AUTOS receives pricing data from more than 90,000 gas stations in the US each night. However, the site warns that prices may change more frequently than it obtains them.