Tape It - App for songwriting & audio recording.
Plutoview - Shared browsing solution for remote group collaboration
Songcraft.io - A platform for songwriters to write, organize & collaborate.
Voicegram by Sayspring - Record and share conversations with Alexa from the browser
RiffShare - Write down a musical riff, send to band members, collaborate
Otter - Remember, search, and share your voice conversations