KDE Minuet is described as 'Enhance your ability to recognize intervals, chords, rhythms, and scales while enjoying all the power of free software with Minuet'. There are five alternatives to KDE Minuet for a variety of platforms, including Windows, iPhone, iPad, Mac and Linux. The best alternative is EarMaster, which is free. Other great apps like KDE Minuet are Perfect Ear (Freemium), GNU Solfege (Free, Open Source), ScoreDate (Free, Open Source) and Modacity (Freemium).
Professional software for ear training and practical music theory on Windows and Mac. A program such as EarMaster will provide you with: Progressive lessons made by music teachers that help you build up your skills according to your actual level.
GNU Solfege is free music education software. Use it to train your rhythm, interval, scale and chord skills. GNU Solfege is an ear training program written to help you train intervals, chords, scales and rhythms.
ScoreDate is your date with the music ! It is an open source software written in Java that helps musicians to learn music reading. It also helps you with ear training. It is suitable for any skill, from beginners to professional users. From slow training to first sight reading.