tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
LiveChat - LiveChat - premium live chat software. Approach customers directly on the website, make connections and drive more sales using LiveChat.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Crisp Chat - Multi-channel customer support software
LightShot - The fastest way to take a customizable screenshot.