
1) Free software programmed in C
Found on
https://www.crosswordclues.com/clue/tightvnc

TightVNC is a cross-platform free and open-source remote desktop software application that uses and extends Virtual Network Computing`s (VNC)s RFB protocol to control another computer`s screen remotely. It was created by Constantin Kaplinsky. His extensions provide for `tight encoding`, which improves performance over low bandwidth connections...
Found on
http://en.wikipedia.org/wiki/TightVNC
No exact match found.