Noisli - Noisli is a fantastic background noise and color generator for working and relaxing. Online soothing ambient sounds like White noise, Rain and Coffee Shop.
Ghostnote - Add notes to anything.
Noizio - Feeling that the noise of the big city is too much for you to bear?
Box Notes - Box Notes: take meeting notes, share status updates and plan projects together instantly. Online, across devices.
A Soft Murmur - Ambient sounds to wash away distraction.
Somnote - More often than not, note-taking is a pressing, off the cuff movement that requests a quick and productive approach.