motionEyeOS - A Video Surveillance OS For Single-board Computers
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
iSpy - iSpy is software that allows the user to view and control video surveillance cameras. The software began development in 2007 and now has over 2 million users around the world, according to the software's website. Read more about iSpy.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Securityspy - SecuritySpy is a multi-camera video surveillance application for the Macintosh.
LightShot - The fastest way to take a customizable screenshot.