It is less about how many stars you have an more about how many enterprises use your software. GitLab has 15k stars on GitHub (we moved the canonical source to GitLab itself a while ago) and more than 100k organizations are using it. But most of our income is coming from larger enterprises in the United States. It you can offer them extra features and market it properly you can expect something like 1% of your users to sign up for a paid plan. Please let me know if you have any questions.