CALIPIO Recorder - Secure screen and webcam recording in your browser. End to end encrypted. No installation required.

MWSnap - MWSnap is basically a free to use Windows snapping tools that are used for snapping any part of the screen that is currently displaying on the front of all opened programs and windows.

Free Screencast Recording for Gmail - Free video screencast recording right from Gmail.

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

VokoscreenNG - VokscreenNG is a user friendly screencaster for Linux and Windows.

Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image