eXtplorer

eXtplorer is a Web-based file manager. It allows you to copy and move files and directories by drag and drop, display a dynamic directory tree with on-demand loading of subdirectories, create and edit files with syntax highlighting, access files either directly or through FTP to overcome permission and file ownership issues, upload and download files, create and extract archives, and set up users with different permission levels. It can be used standalone or as a component for Joomla!.