Anchor.fm - Record bite-sized podcasts that anyone can join ⚓
GetStream.io - APIs for the development of scalable newsfeeds and chat applications.
Unmute - Social phone calls. Dial one, speak to many. 📞
Geneva - An all-in-one communication app for groups & communities
Facebook Live Audio - Tell a story on Facebook with words and not video
müteme - A free Zoom mute button for Mac