Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
AMPLI.FI - Live online music community. Twitch for tunes.
Amper Music - Artificial intelligence music composer
Spotlight - With Spotlight, you can find apps, documents, and other files on your Mac. And with Spotlight Suggestions, you can also get news, sports, movies, weather, and more.
Music Memos by Apple - An app to capture your song ideas
AIVA - The AI composing emotional soundtrack music