I found OpenToonz GitHub project page[1]. There is no code yet, but it seems that they will publish as an open source software. I hope they also prepare English

I found OpenToonz GitHub project page[1]. There is no code yet, but it seems that they will publish as an open source software. I hope they also prepare English documents. [1] https://opentoonz.github.io/ https://opentoonz.github.io/ (Japanese)