The Model Operations Processing System (MOPS) has been designed to assist operations on model railroads. It has the look and feel of mainframe systems that would have been in used in the late 20th century.
This is an effort to create a utility that allows user-friendly filtering of games supported by the arcade emulator M.A.M.E.. Game Set Match is planned to create game lists that can be used with all popular M.A.M.E. frontends.