ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Leadfeeder - Leadfeeder converts your website visitors into sales. Connect your website's Google Analytics to Leadfeeder and unlock the power of seeing who`s visiting your site!
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Lead Forensics - B2B website analytics and lead generation.
LightShot - The fastest way to take a customizable screenshot.
Clearbit - Clearbit provides Business Intelligence APIs