SimpleScreenRecorder - SimpleScreenRecorder is a Linux screen recorder that supports X11 and OpenGL.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
OBS Studio - Free and open source software for video recording and live streaming for Mac, Windows and Linux.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Webcamoid - Webcamoid is a full featured webcam capture application.
LightShot - The fastest way to take a customizable screenshot.