Minotor is a MIDI-controlled LED matrix software.
License: Minotor is released under GPL but embedded RtMidi¹ and QExtSerialPort².
[1] http://www.music.mcgill.ca/~gary/rtmidi/
[2] https://github.com/qextserialport/qextserialport
Under Ubuntu, you can use PPA to install through Ubuntu package manager
sudo apt-add-repository ppa:neomilium/minotor
sudo apt update
sudo apt install minotor
sudo apt install qt5-default librtmidi-dev libqt5extserialport-dev
sudo apt install qt5-default libasound2-dev libqt5extserialport-dev
qmake
make