Lighty2Go is a free and portable (LIMP) LightTPD, MySQL, PHP Web server application for Windows. It can be used to host a website, or test PHP code and MySQL database structures.
Tonido is a Free Personal Web Application Server. This Intuitive Tool enables you to access and share your locally stored content directly through a web browser.
Server2Go; A completely free portable web server or http server that includes Apache, MySQL, SQLite, Perl and PHP. Web applications used with Server2Go can be accessed directly from a USB flash drive or memory stick, CD ROM or self contained folder on a local hard drive.
Uniform Server is a complete Windows Apache MySQL PHP (WAMP) portable server package that allows a user to run a production or live Web Server and host Websites directly from a portable device. Uniform Server also allows Web application developers to test applications made with Apache, PHP, MySQL and Perl without placing the work on a dedicated server or Webhost.