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
Abundant Music - Generate royalty free music with a simple but very powerful procedural music creator
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
AIVA - The AI composing emotional soundtrack music
Meludia - Listening exercises and to sharpen your ear and music theory skills
WolframTones - Listen to what I just found in the WolframTones music universe
GNU Solfege - GNU Solfege is free music education software.