Whether it's source is open or not,
has nothing to do with its licensing.
It's on a github repo: it's open-source.
Having an ideological-problem with people making a living off their code is independent of whether their code was honestly, actually, published, & therefore is actual open-source.
Fun fact: open source has a definition: https://opensource.org/osd
I don't know much about Grayjay, but how you are describing it, it at best is "source open"
This is a most excellent place for technology news and articles.
Whether it's source is open or not,
has nothing to do with its licensing.
It's on a github repo: it's open-source.
Having an ideological-problem with people making a living off their code is independent of whether their code was honestly, actually, published, & therefore is actual open-source.
Fun fact: open source has a definition: https://opensource.org/osd
I don't know much about Grayjay, but how you are describing it, it at best is "source open"