RouteFinder is an app useful for flight simmers to generate IFR aircraft routes.
It generate routes with SIDs, STARs and NATs and TACAN routes, using updated AIRAC databases.
Also , you can set the enroute altitude.
To generate a route , you must write the departure and arrival ICAO airport code.
It works with any flight simulator software like FS2004 and FSX, X-Plane and more.