ieHTTPHeaders

ieHTTPHeaders, add-in to Internet Explorer that shows you HTTP headers as you surf, is available here.

ccm

ccm, static code analyzer that outputs Cyclomatic Complexity metrics for c, c++, c# and javascript code, is available here.

RunAsLimitedUser

RunAsLimitedUser, a shell-extension for Windows that allows you to start application as a user with a very limited set of rights, is available here.

There are also some other tools available. Check links on rights side of page.