You can also look up for these other topics: Framework Coding Standards Boilerplate CMS Tool Security Hacktoberfest
Roadiz is a polymorphic CMS based on a node system which can handle many types of services. This is v1 repository, for v2 and newer releases check https://github.com/roadiz/skeleton.
LGSL v6.2.0 for PHP 5.4-8.3+ (Live Game Server List): online status for Discord, FiveM, Rust, CS, SA:MP, GMOD, Minecraft, Source Query, etc.