Spectrum - Browser-based app to visualize the frequencies of an audio file.
Anchor.fm - Record bite-sized podcasts that anyone can join ⚓
Treadie - Create your own micro-social network for topics
Ense - A quick way to share your voice and sounds around you.
Roomvine - Chatrooms for real life venues, neighborhoods and events
Newspack - A new publishing solution for news orgs by WordPress