Open source communities on several avenues have mentioned how the community could participate in growing a project. I had an opportunity to chat with Abdur-Rahmaan J , an independent software developer from Mauritius, about the best practices to level up open source projects. 

Speaker's GitHub: https://github.com/Abdur-rahmaanJ
Full video: https://www.youtube.com/watch?v=ueExu7F3jA