BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Padlet - Visual boards for organizing anything.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Socrative - Socrative helps teachers engage the class with educational activities to measure and visualize...
LightShot - The fastest way to take a customizable screenshot.