Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Free Cam - Easy screen recorder for Windows. A complete set of functions for creating, editing and instantly sharing high-quality screencasts. 100% free for life!
Shutter - Shutter is a feature-rich screenshot program.
Filmora Scrn - Filmora Scrn is a powerful screen recording and editing tool that lets you record and edit your gameplay videos, tutorials, online courses and more quickly and easily in one place.
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
TinyTake - Free 5 minutes recording and 2GB space and no youtube uploads, $29.95/year premium.