SolarWinds Serv-U - SolarWinds Serv-U is a web-based, secure file transfer solution.
CompleteFTP by EnterpriseDT - CompleteFTP is a secure FTPS and SFTP server for Windows.
Cerberus FTP Server - Cerberus FTP Server Enterprise is a professional FTP server that supports encrypted FTPS and SFTP sessions as well as HTTP and HTTPS file...
SFTP To Go - Trusted by over 1,000 companies of all sizes, verticals and geographies, SFTP To Go is a fully managed, secure, and user-friendly cloud-based storage and sharing solution with SFTP/FTPS/S3/HTTP file access.
FTP Today - FTP Today offers private and secure file transfer/sharing via a hosted Software-as-a-Service model.
Couchdrop - Couchdrop moves files to the cloud. The Cloud SFTP, FTP, SCP and Rsync server that works with Storage like Dropbox. Up and running in seconds. Fully hosted service. No worries.