ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
ClassVR - VR Training Simulator
LightShot - The fastest way to take a customizable screenshot.
ScreenSteps - IT Training Docs For Your Cloud Implementation. Use ScreenSteps when your company implements new cloud technology and you need training docs