Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Visual Understanding Environment - Visual Understanding Environment (VUE) is a mind-mapping and concept-mapping tool.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
ShuffleInspire - ShuffleInspire seeks to provide inspiration and boost production to builders and makers in the online community.
LightShot - The fastest way to take a customizable screenshot.
Aibase - Creative Data Manager