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.
Noizio - Feeling that the noise of the big city is too much for you to bear?
zenmix.io - Ambient background sound generator
Hear - Hear is a sound enhancement application for the Mac.
Gross Account - The gross account is the best accounting software to manage to account and to invoice smoothly. Software developed for Accountants, Distributors, Retailers, Manufacturers, and Businesses.
A Soft Murmur - Ambient sounds to wash away distraction.