EarMaster - Professional software for ear training and practical music theory on Windows and Mac.

Pitch Ability Test - Test your Pitch Ability. Measure your pitch take over and pitch retention abilities. Know where you stand on the road to Absolute Pitch. Especially, measure the criteria: Accurately sing a named note without a reference.

Meludia - Listening exercises and to sharpen your ear and music theory skills

GitHub Audio - Tracks events across GitHub to generate calming work music

GNU Solfege - GNU Solfege is free music education software.

Perfect Pitch Ear - Piano online for perfect pitch training.