Noizio is an app that will drown out the noise of the street and allow you to concentrate on the work at hand, increasing your productivity. On the other hand, it can also set the mood for a romantic evening or lull you to sleep, ensuring that you will dream soundly all night long. An ambient sound equalizer app for creating a mixture of ambient sounds available for macOS.
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.
Flotsm - Anonymously seek opinions on everyday decisions
A Soft Murmur - Ambient sounds to wash away distraction.
Macsome Audiobook Converter - Convert Audible Audiobook to MP3 / AAC at up to 300x faster speed and id3 tags kept.
MyNoise - Custom shaped online noise machines. Many Many generic sounds
TunesKit AudioBook Converter - Best audiobook DRM removal solution for Windows to remove DRM from iTunes and Audible audiobooks.