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.

Jalmus is developed in Java and so available on Microsoft Windows, Linux and Mac OS. Jalmus is a multilingual software supporting - English, French, Spanish, Italian, Danish and German : help us to translate it in your language.

A compatible MIDI controller with USB MIDI capabilities

1. Download the latest release of Core4MidiJ

2. Place the downloaded Core4MidiJ extension into your Java Extensions folder: /Library/Java/Extensions

3. Download and the latest release of Jalmus and run the installer

4. Open the Jalmus application by navigating to it's folder (/Applications/Jalmus/bin/) and double-clicking the jalmus.jar file.

5. With Jalmus open, Click Settings > MIDI Options

6. Open the Midi In drop-down and select the option: Core4MIDIJ - USB Midi If this option is unavailable, check that your MIDI controller (keyboard) is plugged in correctly (some cables have midi-in/midi-out cables labeled in reverse). If you connected your MIDI device after starting Jalmus you will need to close and relaunch the application.