Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

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

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.

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

Kommunicate - Customer support automation platform with live chat and chatbots

LightShot - The fastest way to take a customizable screenshot.