OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
GIMP - GIMP is a multiplatform photo manipulation tool.
Adobe Animate - Adobe Animate is a Flash, vector animation software.
Krita - Krita is a professional FREE and open source painting program. It is made by artists that want to seaffordable art tools for everyone. Concept art. texture and matte painters, illustrations and comics.
Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...
MyPaint - MyPaint is a fast, distraction-free, and easy painting tool for digital artists.