This is the command midicat that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
midicat — send to or receive from MIDI ports.
midicat [-d] [-i port] [-o port]
The midicat utility receives MIDI data from the given input MIDI port and/or sends it to the
given output MIDI port. The options are as follows:
-d Dump transferred data in hex on stderr.
Use this sndio(7) MIDI port as input instead of stdin.
Use this sndio(7) MIDI port as output instead of stdout.
Dump data received from rmidi/0 to stderr:
$ midicat -di rmidi/0 >/dev/null
Send data from rmidi/0 to midithru/0:
$ midicat -i rmidi/0 -o midithru/0
Use midicat online using onworks.net services