WiSSH Standard Edition

From Digital Labs:

WiSSH Remote Access Technology is a useful application that provides easy, secure, controlled remote access to systems inside your network perimeter.
Coupling Microsoft's Remote Desktop Protocol with the trusted open source SSH protocol in a lightweight client will give you or your customers a highly reliable, scalable solution to your remote access needs.
WiSSH is extremely easy to use, for both end users and administrators. WiSSH can help slash time and expense supporting remote access.
WiSSH can easily work with your existing SSH server or you can utilize a dedicated system various operating systems and SSH Daemon server types.