Pencil is a very realistic sketching program and good 2D animation tool for the cost (free). Think of Pencil (free) as an animator’s digital sketchbook. It’s 2D; you can sketch things very well, then ...
More advanced animators will quickly run out of features that are contained within Pencil2D. It may be basic but it will teach you the fundamentals of a 2D, hand-drawn animation workflow. If you find ...