Tigervnc
Installation
$ doas rcctl enable xenodm
$ doas rcctl start xenodm
$ doas pkg_add tigervnc
$ vncpasswd
$ vncserver
Attach:xfce-desktop.png
Tigervnc itself ships with a client, called vncviewer
WARNING: This setup has zero security. Everything you type including
passwords can be keylogged.
How to set up an SSH tunnel for VNC
How to set up an SSL tunnel for VNC (incomplete)