Music Memos by Apple - An app to capture your song ideas

Bandlab - Capture, nurture, and collaborate on song ideas in the cloud

Memo.ai - Simple and elegant notes app on your Mac

Turntable.fm - Turntable.fm is a social media website developed by Billy Chasen and Seth Goldstein that allows the audience to stream their own music.

Better Notes - Simple notes app that ties notes together with #hashtags

indiesound - indiesound is a multi-tasking platform developed for online music streaming, helping you to discover, listen and connect with thousands of indie bands or music artists all around the world.