JoomlaXplorer

This Joomla component is a robust file manager that works within Joomla.
eXtplorer 2.0.1 available. This new version of eXtplorer fixes a security issue (file contents disclosure), which is present in all versions <= 2.0.0. An instant update is highly recommended. Just uninstall and reinstall the component.
A new feature has been added: WebDAV support. Information on how to set it up can be found on the Wiki (soon).

With them you can

Browse Directories & Files,

Edit, Copy, Move and Delete files/directories,

Search, Upload and Download files,

Create new files, directories and symbolic links,

Change file permissions (chmod)

Extract Archives
and much more...
...directly on your server. eXtplorer has a completely renewed interface based on the ExtJS library.
Learn more here!