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.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
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.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
A Soft Murmur - Ambient sounds to wash away distraction.
LightShot - The fastest way to take a customizable screenshot.
MyNoise - Custom shaped online noise machines. Many Many generic sounds