Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Amper Music - Artificial intelligence music composer
Meludia - Listening exercises and to sharpen your ear and music theory skills
Storybeat - Storybeat app comes up with features to help you in changing the background music of your videos in a few simple steps to share your favorite moments with your social media friends.
LenMus - LenMus is a free program for learning music.