RtMidi
JSON →A set of C++ classes that provide a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMidi & JACK) and Windows (Multimedia)
A set of C++ classes that provide a common API for realtime MIDI input/output across Linux (ALSA & JACK), Macintosh OS X (CoreMidi & JACK) and Windows (Multimedia)