AVG Anti-Virus - This is a FREE anti-virus program, that NON-COMMERCIAL users can use.  Use it on your laptop & home computers!  You also do not pay for updates!!

AVG Anti-Spyware - This is a FREE anti-spyware program, that NON-COMMERCIAL users can use.  Use it on your laptop & home computers!  You also do not pay for updates!!

Website Tools:

Website Speed Analyzer - this tool will show you how fast your web page loads up at different connection speeds (Dial-up, DSL, Cable, T1 etc).  You don't realize the time it takes to load up your site on different connection speeds and this tool helps you notice it!  Your page should load within a few seconds at dial up (56k) speeds to properly work for everyone!

Link Checker - Use this nifty tool to check and see if all of your links on your webpage are properly working.  You would not believe the number of links on Realtor's pages that we run across daily that do not work!!!

W3C HTML Validator - This is a tool that I think EVERY webmaster uses!  A Fantastic program that makes sure your site is in proper code so that it views properly across multiple web browsers, proper code also allows the search engines to properly search your site, so it can be indexed.

W3C CSS Validator - If your website is built using CSS (as most new sites SHOULD be done in)  use this tool to check and see if your site is validated.

Google Webmaster Tools - Use this to utility to manage several aspects of your website, and how they affect the search engine results in Google!