TheWebMind is an application developed totally in PHP. You must have a simple HTTP server with PHP support to unzip Mind files and access them using a modern browser.
Here, some links to download options of these required elements.
TheWebMind will keep itself up to date as new features or bg fixies are established. You may cnfigure the way Mind deal with updates.
Instructions, FAQ and suggestions at: http://docs.thewebmind.org/