What are some alternatives?
When comparing TVPaint Animation and OpenToonz, you can also consider the following products
Synfig Studio - Just another WordPress site
Adobe Animate - Adobe Animate is a Flash, vector animation software.
Pencil2D - Pencil2D is an opensource animation/drawing software for Mac OS X, Windows, and Linux, based on old...
Toon Boom Harmony - Production-ready animation software for every artist, in any style.
Pencil - Pencil is an animation/drawing software for Mac OS X, Windows, and Linux.
SWiSH Max - SWiSH Max is a Flash creation tool that is commonly used to create interactive and cross-platform...