Following up on my earlier post on running a web server on a usb stick, here is a list of other free web server software that can be run from a flash/usb drive. These servers typically run Apache, MySQL, PHP, and PHPMyAdmin.

USB Webserver - Portable Web Server. The page for this application is in Dutch. I ran the page through Google's translate service and this is the English it produced (I've included the original Dutch):

Usb Webserver in brief