Caption This - Create a smart caption for your photo in a second!
Spine - Spine is 2D animation software designed specifically for software and game development.
Quik by GoPro - Easiest way to create awesome videos
Synfig Studio - Just another WordPress site
MotionDen - Free online animated video maker
Unity 2D - Unity 2D is a powerful and feature-rich game design solution built from the ground up to fulfill every basic and advanced need of the developer.