AudioSet by Google - A massive dataset of manually annotated audio events
VoiceText for Slack - Voice notes w/ transcription in Slack
Sketchfab sound - Publish, share & embed 3D & VR scenes with positional audio
Voicl - With Voicl you can easily embed voice notes onto your website.
Note Tracks - Annotated notes for audio content
Penman - A voice-driven note taking app 🗣️📝