EasyChannel - Simplify your multichannel eCommerce with EasyChannel.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
eDesk - Business Tools, Support, Sales, and Marketing, and Help Desk
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
LightShot - The fastest way to take a customizable screenshot.