Droplr - Droplr is a tiny application that aims at helping people share things easier.
Epic Pen - A windows tool for drawing over your desktop and applications
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.
Gromit-MPX - Create annotations by directly drawing on your screen.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.