FileMan provides you a way to quickly and easily access your website’s files and directories through any compatible browser.

You can perform many tasks including creating and editing html files using a WYSIWYG editor, uploading one or multiple files with ascii/binary transfer capability, searching for files based on file names or full text searches, replacing files, and much much more.

FileMan also includes a powerful archive management system, allowing you to create, view extract .tar files as well as .tar.gz files.

http://www.gossamer-threads.com/scripts/fileman/