Pixave - The ultimate image organizer for the Mac.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Eagle App - Unify your creative inspiration in one place. Store anything – inspiring images, design mockups, illustrations, screenshots and more.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
EagleFiler - EagleFiler makes managing your information easy.
LightShot - The fastest way to take a customizable screenshot.