Sketch - Professional digital design for Mac.
Synfig Studio - Just another WordPress site
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
OpenToonz - OpenToonz is an animation program that is a free software version of Toonz, the animation software...
Affinity Designer - Professional creative software, exclusively for Mac.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.