edtFTPj/PRO is a Java FTP library supporting secure FTP via FTPS (FTP over SSL) and SFTP (FTP over SSH). Features include multiple, simultaneous transfers by use of FTP connection pools and asynchronous transfers. Includes powerful FTP scripting.

InstantSync is secure desktop tool for file synchronization, mirroring and backups over FTPS and SFTP/SSH. The underlying smart SyncDB file tracking technology guarantees that only new and changed files are transferred making syncs near instant.

SecureBlackbox for BizTalk lets you add support for SSH, SFTP, FTPS, OpenPGP, S/MIME, PKI, PDF, XML security to your BizTalk orchestrations.

GoFTP is a FTP client that uses special "buffer overstuffing" technology and on-the-fly compression to achieve speeds 3x of other multi-threaded FTP programs. It supports encryption including SFTP and FTPS.

Core FTP Server - secure FTP server with SSL/TLS/FTPS, SSH/SFTP, HTTPS support, virtual paths, access rules, certificate authentication and much more... Easy, quick setup allows you to securely share your files in minutes!

Kellerman FTP is a robust and easy to use .NET FTP component. It supports FTPS and proxy servers. Kellerman FTP has the most features of any FTP component available.

DataFreeway is a freeware SSH (SSH1,SSH2,SFTP), WebDAV, FTP, FTPS Client for Windows. EngInSite DataFreeway allows you to access remote servers from your Windows desktop.

WebDrive integrates FTP, FTPS, WebDAV, SFTP, Amazon S3 or FrontPage servers into the Windows desktop by mapping a network drive letter to a server. This allows you to use your favorite applications to edit files and save them directly to the server.