Features you don't want to miss:
Exercises with various degrees of difficulty: ascending, descending, random and simultaneous intervals
NEW Selection of intervals for your exercise: all, weakest and custom
Learning progress indicator for the overview of your abilities, displaying the average of the last and all-time exercises
Get reminded of your daily exercise in order to get a steep learning-curve
tonestro - Practice & improve on your wind instrument while having fun
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Flat - Online collaborative music score and tab editor, accessible from any device
Meludia - Listening exercises and to sharpen your ear and music theory skills
Transposr - A free and simple way to transpose your sheet music or MP3.
GNU Solfege - GNU Solfege is free music education software.