OneFileCMS is just that. It's a flat, light, one file CMS (Content Management System) entirely contained in an easy-to-implement, highly customizable, database-less PHP script.

Coupling a utilitarian code editor with all the basic necessities of an FTP application, OneFileCMS can maintain a whole website completely in-browser without any external programs. Screenshots

    * Validating, semantic, and commented markup. Tested in FF, Safari, and IE7/IE8.
    * Small footprint (20.4 kb)
    * Possibly the easiest installation process ever
    * All the basic features of an FTP application like renaming, deleting, copying, and uploading
uploads/deletions, you're going to want to break out an actual FTP program.)
    * Gracefully degrading CSS and Javascript
    * 100% re-brandable with page title stored in variable and a modifiable filename
Requirements

    * UNIX/Linux host, Apache
    * PHP5 (PHP4 untested)
    * File permission privileges