mfxMonitor is a MIDI effect plugin. Any MIDI events received by the plugin are displayed in a scrolling window in both textual form and also the lower level hex bytes with timestamps.
mfxSeries is a set of compact but powerful plugins for CoreMIDI or AUv3 hosts. Each plugin in the mfxSeries can be controlled and automated from the host as all controls are exposed as AUv3 parameters.