You can also look up for these other topics: Framework Coding Standards Boilerplate CMS Tool Security Hacktoberfest
Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS powered by PHP, Markdown, Twig, and Symfony
:rocket: Next Generation Template / Theme Framework
Collaboratively Synchronize your Grav `user` folder hosted on GitHub, BitBucket or GitLab
The static site generator for Grav CMS
Grav Admin Plugin