VNC stands for Virtual Network Computing. VNC Personal Edition Viewer is a remote control program which allows you to view and interact with one computer to another. A remote control program that allows you to view and interact with one computer using a simple software on another computer.
The two computers dont even have to be the same type, so for example you can use VNC to view an office Linux machine on your Windows PC at home. VNC is freely and publicly available and is in widespread active use by millions throughout industry, academia and privately.

The license of this software is Freeware, you can free download and free use this remote access software.