Jalmus is a free, open source
music education software helping the musicians,
specially pianists, to improve their sight-reading. You
can train to read music with both exercises on notes or
rhythms.
Version 1.5 adding a rhythms exercise with
possibility to give answers with SPACE key or better
a MIDI keyboard connected to your computer.
First of all you need to set latency : start a
rhythm game and play every notes of metronome, red
points should be superposed