Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Adobe Learning Manager - Adobe Learning Manager (formerly Adobe Captivate Prime LMS) is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
Shutter - Shutter is a feature-rich screenshot program.
Udemy - Online Courses - Learn Anything, On Your Schedule
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
Moodle - Moodle is the world's most popular learning management system. Start creating your online learning site in minutes!