VistaCreate - The VistaCreate is a free and global digital platform which is known for sharing, searching, finding, and creating great art.
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
PaintCAD - Pixel art image editor, created for full keyboard control of image drawing without mouse using.
Synfig Studio - Just another WordPress site
Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.