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.
Podcastle - Convert news/articles to a podcast using machine learning
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.
Adobe Podcast - AI-powered audio recording and editing, all in the web
A Soft Murmur - Ambient sounds to wash away distraction.
Callin - Callin is the first social podcasting app that lets you create, discover, and enjoy live and recorded content all in one place.
MyNoise - Custom shaped online noise machines. Many Many generic sounds