Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
WaveBots Editor - Procedural music and sound maker that exports to Wav, MIDI, GoatTracker and much more.
Amper Music - Artificial intelligence music composer
Abundant Music - Generate royalty free music with a simple but very powerful procedural music creator
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.
Tape It - App for songwriting & audio recording.