Pencil2D

Pencil2D is a free, open-source animation software that uses traditional hand-drawn animation techniques. It does not rely on AI technology but instead focuses on providing tools for animators to create 2D animations. Pencil2D supports various features such as frame-by-frame animation, onion skinning, and layering, making it suitable for both beginners and experienced animators. For example, an animator can use Pencil2D to create a simple animation sequence for a short film or a promotional video. The tool is available for Windows, macOS, and Linux, and it is free to use.