QTOFileManager
QTOFileManager is a Web based file manager written in PHP. Features: Easy installation - Just drop the file in the base directory, Just one script file, Upload and delete files, Authenticate the user (optional), Edit a file (optional), Specify which file extensions can be edited, Add and remove directories (optional), Specify the max hard drive space allowed, Specify the max file size allowed, and Designate file names as being hidden.