Virtual MIDI Piano Keyboard is a virtual MIDI piano keyboard for Linux, Windows and OSX. Based on Qt4 and RtMIDI, the program is a MIDI event generator using the computer´s alphanumeric keyboard and the mouse. You can use the Virtual MIDI Piano Keyboard to display the played MIDI notes from another instrument or MIDI file player. To do so, connect the other MIDI port to the input port of VMPK. Features: 1 MIDI IN port 1 MIDI OUT/THRU port Configurable number of keys/octaves Configurable key size MIDI standards compliant Configurable computer keyboard mappings Touch screen support Translations to Spanish, Russian, German, French, Czech and Swedish What´s New in version 0.5.0: RtMidi 1.0.15 patched by Gilles Filippini enabling several MIDI drivers to be compiled at once, and allowing the user to select one at runtime. Fixed Bug #3507732. Transpose does not update correctly the octave in note name. Fixed Bug #3503768. Removing the shortcut for an action having default shortcut keys, the change is not saved upon exit, so the shortcut appears again the next execution. Fixed Bug #3502659. Saved preferences not set correctly. New implementation of the Network MIDI driver (UDP multicast). MIDI channel state enforcement (RFE #3517750) MIDI IN Omni mode. Independently enable/disable note input using keyboard, mouse, and touch screen. Note highlight color policies (single, double, one color for each MIDI channel, one color for each grade in the chromatic scale). Color palettes editor dialog. Option to show a colorized scale. Allow XML comments within keyboard map files.