Open Toonz (OT):

       https://opentoonz.github.io/e

•     Descarga para muggles (Windows, OS X):     

        https://opentoonz.github.io/e/download/opentoonz.html   

•     Github:    

        https://github.com/opentoonz/opentoonz

Synfig Studio:    

       https://www.synfig.org   

• Descarga (Windows, Linux, OS X) 

        https://www.synfig.org/cms/en/download/

Pencil2D:

       https://www.pencil2d.org/