It works in all 20.x versions and it is the only one that enables VNC Connection before log-in.https://forums.linuxmint.com/viewtopic.php?f=42&t=369092
Wont work in version 20.1 cinnamon 64bit unable to connect to support website should be removed ????
This is a really working HOWTO: http://forums.linuxmint.com/viewtopic.php?f=42&t=141766
Worked great on Linux Mint 17 xfce. I got it to start at boot with directions from http://wiki.linuxquestions.org/wiki/X11vnc. Now it's a real working office machine.
After long search this works with Linux Mint 16 MATE desktop - but needed to run from command line (menu program refused to start because another process is maybe running (and it was not...)).
Works well for multi-head displays. In Mint 11 had issues launching it from the menu, but worked ok from command line like so: x11vnc -gui tray -rfbport PROMPT -bg -o %%HOME/.x11vnc.log.%%VNCDISPLAY