Floomby - Take screenshots in one click — just press moth mouse buttons at the same time.

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

ScreenToGif - This tool allows you to record a selected area of your screen and save as a animated gif.

ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...

LICEcap - A straightforward, high performance application that enables users to capture a portion of the desktop and save it to . GIF or . LCF, LICEcap is available for download as a GPL free software.

LightShot - The fastest way to take a customizable screenshot.