ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
PaintBerri - PaintBerri is a free art site that offers an awesome oekaki community.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
okekai - A small community site where you can draw, animate, and chat through pictures all for free
LightShot - The fastest way to take a customizable screenshot.
Brush Ninja - Hand-drawn Animated Gif Creator