You can also look up for these other topics:
Framework
Coding Standards
Boilerplate
CMS
Tool
Security
Hacktoberfest
EasyAdmin is a fast, beautiful and modern admin generator for Symfony applications.
EasyCorpExemplary real world backend API built with Laravel
gothinksterSymfony 5 DDD ES CQRS backend boilerplate.
jorge07🦉 Administrative interface builder for Laravel (Laravel admin)
LaravelRUSHighly customizable and extensible user management, authentication, and authorization Yii2 extension
2amigosLaravel Blog Package/ Laravel CMS. Easiest way to add a blogging system to your Laravel website. Laravel Blog.
binshops