I am currently in the process of creating a Japanese course based on free resources. It is not ready for testing yet. It will be released when it is ready and will be free. The platform is developed by two people as a hobby and is not ready yet either.
I will be doing studying a bit on stream, to see if I can find a way to make the current content work as entertainment. The content of the course currently lack the very basic things you need to learn, and that content will not be added this year, therefore the course is not suited for people starting from scratch and the platform is not quite finished either.