zaSFTP is a freeware GUI based Secure FTP (SFTP) client for Windows Mobile 5.0 based Pocket PC and Smartphones. It uses SSH to upload and download files to and from the FTP server.

You can create,rename or remove directories and files on the FTP server right from your mobile device. You can also manage the device’s local as well as the FTP server’s remote file system through the application.

Dowload the Pocket PC beta version here while the Smartphone Beta version can be downloaded here