YARK Multifunctional Display is a program that fetches flight data from Kerbal Space Program through a TCP connection and display it on virtual instruments situated in widgets.
YARK-MFD contains widgets for: Attitude Indicator for planes Attitude Indicator for spacecraft (Navball) Map Orbit Display for spacecraft Docking Alignment etc...
More information avaliable here: https://forum.kerbalspaceprogram.com/index.php?/topic/177545-external-tcp-multi-function-display-kontroller/