OpenToonz: Making high-end animation software accessible: 
Kostanstin Dmitriev is one of the pioneers making professional animation tools available for Linux users. His primary focus over the years has been the ongoing development of Synfig Studio, a 2D animation program. Konstantin has proven Synfig’s power with the completion of his short film, “The Beautiful Queen Marya Morevna: Demo.”
read more: Opensource.com stephen egts
Supporting Open Source.
Have you tried: Farking?