SSVNC

It is a self-contained bundle, you could carry it around on, say, a USB memory stick / flash drive for secure VNC viewing from almost any machine, Unix, Mac OS X, and Windows (and if you create a directory named “Home” in the toplevel ssvnc directory on the drive your VNC profiles and certs will be kept there as well). For Unix, there is also a conventional source tarball to build and install in the normal way and not use a pre-built bundle.

Download  
Visit the Developer