Ever wonder what keywords make the most money? Keyword Market Value Analyzer is a free tool that allows you to compile a database of keywords, based on a particular keyword subject, and compare their real market values. The Analyzer compares the number of times a keyword is searched for with the amount advertisers are willing to pay to advertise for the keyword. The result is a really good idea about how much money-making potential there is.
Keyword Marketing Buddy is a free tool that lets you compare the popularity of a number of keywords at one time. You enter in a list of keywords, and the Buddy will automatically suggest a number of related keywords, and will rank by popularity. The keyword output also includes a text box with a comma-separated list of keyword, popularity values so that you can easily import the list into a spreadsheet or use other keyword analyzer tools.
Contact Form Killer is a nice little tool you can add to your web site to easily generate contact forms with all that messy form validation already taken care of for you. You can also let your site visitors use the tool to create forms themselves. It's super easy to use, just select what inputs you would like, and Contact Form Killer generates a complete PHP / HTML page that you can use as a full contact form for your site.