Simple file/content management tool in asp.net

We are looking for simple file management tool written in asp.net.

Requirements:

-folder manipulation (create/c开发者_开发技巧opy/move/delete)

-file manipulation (upload/download/copy/move/delete)

-user management (login/add/delete/edit/logout)

Is there something like this?

Thanks

Cheers

You can download Windows SharePoint Services v 3

http://technet.microsoft.com/en-us/windowsserver/sharepoint/bb400747

Note: Its tool to manage folders, file stored in a content management database system and not on filesystem.