E.D.I.S.O.N. is a tool for Elite Dangerous: Horizons.
Its purpose is the simplification of navigation in orbital or surface environments.
It reads your current coordinates/heading/altitude from the commanders journal and uses this information to calculate a course.
The use of speech synthesis enables E.D.I.S.O.N to run invisible in the background.
In the latest version E.D.I.S.O.N display an overlay, which is visible in game.