You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
The server component of API Platform: hypermedia and GraphQL APIs in minutes
api-platformPHP Model Scaffolding from Schema.org and other RDF vocabularies
api-platformInshop CRM / ERP API. It's powerful framework allows to build systems for business with different workflows. It has on board multi language support, clients management, projects & tasks, documents, si
inshopgroupA Symfony demo application with basic user management
msgphpKoillection is a self-hosted service allowing users to manage any kind of collections.
benjaminjonardA simple app skeleton to try to make every components work together : symfony 5.* (latest stable at the date, but work with sf 4 and 3.3+ if you pull the right tag), symfony/flex, webpack-encore, vuej
Rebolon