Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations
...Lightweight and easy to use so you can focus on animating and not on what button to hit next. Seamlessly switch between raster and vector workflows, allowing you to sketch, ink & paint on the go. Pencil2D is cross-platform and runs on Windows, macOS, Linux & FreeBSD. Pencil2D is completely open source and free to use, even commercially.
Pencil2D is a cross-platform animation/drawing application.
Pencil2D is an animation/drawing application for OSX, Windows and Linux. It lets you create traditional hand-drawn animations (cartoons) using both bitmap and vector graphics.