Lectora - Lectora Inspire is a robust tools and built-in eLearning and the responsive course designing feature.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
ProProfs eLearning Authoring tool - ProProfs eLearning Authoring Tool helps businesses and educational institutions to create online training and educational programs.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Jackdaw - Jackdaw Cloud is an online e-learning authoring tool. This authoring of e-learning needs no downloads, it is cloud based and no programming skills are needed.
LightShot - The fastest way to take a customizable screenshot.