Source seems to be on GitHub in a private repo from this [0] account, according to this [1] image on the submission page
[0] https://github.com/mudita [1] https://images.ctfassets.net/isxmxtc67n72/3tX0E1fLT8J9Twtao4...
[0] https://github.com/mudita [1] https://images.ctfassets.net/isxmxtc67n72/3tX0E1fLT8J9Twtao4...
This is happening on top of our day-to-day development activities so bear with us - we'll send out emails with next steps to all people interested soon.
For more info about the process and MuditaOS check out the blog post at https://mudita.com/community/blog/muditaos-goes-open-source-...