AudioSet by Google - A massive dataset of manually annotated audio events
Tendenci - Tendenci - The Open Source AMS is a cloud-based all-in-one management SaaS solution for Non-profits and Associations.
Sketchfab sound - Publish, share & embed 3D & VR scenes with positional audio
Kajabi - Kajabi is the only Knowledge Commerce platform today with everything you need to market, sell, and deliver your knowledge online.
Note Tracks - Annotated notes for audio content
WildApricot - WildApricot is a powerful cloud software to help you automate and simplify membership tasks.