npm

x11vnc

VNC server for real X displays allowing remote desktop access

brewmacoslinux
Try with needOr install directly
Source

About

VNC server for real X displays

Commands

x11vnc

Examples

Start VNC server on display :0 with password protection$ x11vnc -display :0 -passwd mypassword
Start VNC server on port 5900 without password (localhost only)$ x11vnc -display :0 -localhost -nopw -listen localhost
Start VNC server with screen scaling and compression$ x11vnc -display :0 -scale 1/2 -compress 9 -quality 7