gmidimonitor is GTK+ application that shows MIDI events.
Currently MIDI events can be received at an ALSA sequencer port only.
Support for other sources like ALSA RawMIDI port may be added in
This release adds dumping of sysex data and somewhat limited MMC
Special thanks to Katharine Manton (kayelem) for testing and feedback.
Source tarball can be downloaded from project site, "Downloads" section