Music Memos by Apple - An app to capture your song ideas
Memo.ai - Simple and elegant notes app on your Mac
Cardsmith - Capture ideas and collaborate in real-time
Bandlab - Capture, nurture, and collaborate on song ideas in the cloud
Evie - AI Assistant platform for the Intelligent Enterprise, Evie provides scheduling, project management and recruiting assistants out-of-the-box.
DeepJ - AI-composed piano music in real time