Epic Pen - A windows tool for drawing over your desktop and applications
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Gromit-MPX - Create annotations by directly drawing on your screen.
Camtasia - Camtasia 2018 makes it easy to record your screen and create polished, professional-looking videos.
Filmora Scrn - Filmora Scrn is a powerful screen recording and editing tool that lets you record and edit your gameplay videos, tutorials, online courses and more quickly and easily in one place.
gInk - An on-screen on-screen annotation software for Windows.