TinyMCE – Javascript WYSIWYG Editor – http://tinymce.moxiecode.com/

Adding a WYSIWYG HTML Editor to Your Site

http://www.elated.com/articles/adding-wysiwyg-editor-to-your-site/

A WYSIWYG (What You See Is What You Get) HTML editor is a Web form field that lets users enter formatted text, much like using a word processor. The editor then converts this formatted text into HTML when the form is sent to the Web server.

This article explores JavaScript WYSIWYG HTML editors, and shows how to integrate the popular CKEditor and TinyMCE editors into your Web forms.

Ron
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You can easily find others – http://search.yahoo.com/search?p=free%20tinymce%20filemanager

There are several free file managers for TinyMCE which can also easily be found – http://www.google.com/search?q=free+tinymce+filemanager

However where do you want the files to be managed – on your website, or on the visitors computer?

If you want visitors to be able to edit files on your website, do be aware of the security risks involved. If you don’t know what the security risks are, then I strongly recommend that you don’t do this until you do and can take adequate precautions.
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