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.

Tapes for Mac - Share screencasts fast.

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

Desk360 - Desk360 is an omnichannel customer support tool that enables to manage all customer requests on one page. It can be integrated into 12 different channels and offers detailed reports on both products and users.

LightShot - The fastest way to take a customizable screenshot.