You can check the opensource.com blog, articles like this [0] might be helpful.<p>[0] <a href="https://opensource.com/article/18/5/metrics-project-success" rel="nofollow">https://opensource.com/article/18/5/metrics-project-success</a>
Github made an open source guide that has a lot of useful articles. A lot of it is focused around building a community around the project:
<a href="https://opensource.guide" rel="nofollow">https://opensource.guide</a>