2025-02-17 First Prev Next Last 1403/11/29 The "MIDI Engelbart Keyset" — Trying to have an NLS Keyset, I felt why not use an actual Piano key? Here a driver on Mac translates the MIDI input to keyboard events and writes them to the system. Icon for the Keyset Mac app — This was based on the original design of Douglas Engelbart's oNLine System's Keyset. Day's Context Open Books