Draw a doodle then animate it with your webcam and body. Loads of fun.
A really easy and fun 3D animation tool. Draw a character, inflate it, then animate it by moving the points.
Create animated explainer videos, animations and more easily. I made this movie ident in a few seconds.
Lovely desktop animation tool with onion skinning.
Professional animation tool
Lovely free animation tool for Android or iOS.
Open-source animation tool for Mac and Windows
Synfig is a professional animation tool.
Unusual toy with which you can paint in 3D on a disappearing canvas. Interesting.
Excellent film showing examples of animations around a word.
A charming tale of a goat.
A collection of sprite sheets that you could use to help you with your animation.