Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Hologram - Frontend Development and Design
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Wallpaper Engine - Wallpaper Engine enables you to use live wallpapers on your Windows desktop.
LightShot - The fastest way to take a customizable screenshot.
CleanMyMac X - Clean, protect and speed up your Mac