cisco secure client anyconnect

MOVEit Freely is a free command line FTP/secure FTP SSL (FTPS) client

WinBOX is a Secure GUI/ Graphical Client used to configure MikroTik Appliances

JBMail is a compact and portable secure e-mail client.

wodFtpDLX.NET is secure FTP, SFTP, FTPS client .NET 2.0 component

SFTP Client provides secure file transfer functionality over any reliable data