What are the free alternatives for Synthesia (looking for something that will allow me to upload a .MIDI file, and learn both hands separately)? - Quora
Best Free Midi Keyboard Software 2023 – For Windows, Mac and Android – Musicians HQ
Truly Free - Piano MIDI Pack – media music mastery
Amazon.com: USB MIDI Keyboard Controller MINI 32-Key, Donner N-32 with Screen, Sequencer, Chord, Bend Sound Effects By Light-up Joystick for Mac/PC, Music Production Software, 40 Free Courses : Everything Else
VMPK. Virtual MIDI Piano Keyboard
Joué Play MIDI controller review: Free your fingers and format | Popular Science