Secure Bridge (http://www.devart.com/
The latest version of SecureBridge includes the TScSFTPServer component. In addition to the possibility of using an SFTP client for secure file downloading, users also get a functionality allowing them to create their own SFTP server and share files via connections secured by Devart's cross platform solution for protection of your TCP/IP traffic from unauthorized access.
To evaluate all the advantages of the new version, go to the Secure Bridge Download Page. (http://www.devart.com/
Use forums or the feedback form in the support zone to share your feedback on the product and suggest new improvements.
For more info visit Devart's official web-site. (http://www.devart.com/)