CALIPIO Recorder - Secure screen and webcam recording in your browser. End to end encrypted. No installation required.
Ink2Go - Ink2Go is an extremely simple yet powerful screen annotation and recording software.
Free Screencast Recording for Gmail - Free video screencast recording right from Gmail.
Epic Pen - A windows tool for drawing over your desktop and applications
VokoscreenNG - VokscreenNG is a user friendly screencaster for Linux and Windows.
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.