ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Droplr - Droplr is a tiny application that aims at helping people share things easier.
ScreenToGif - This tool allows you to record a selected area of your screen and save as a animated gif.
ConnectWise Control - ConnectWise Control is a mobile app that allows you to instantly connect with another system from anywhere with a connection to the internet. The software not only comes in a mobile app, but it has a desktop version as well for complete coverage.
recordit.co - Make a short video capture of your desktop as a gif.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.