symfony/dependency-injection

Allows you to standardize and centralize the way objects are constructed in your application

symfony/validator

Provides tools to validate values

symfony/form

Allows to easily create, process and reuse HTML forms

symfony/var-dumper

Provides mechanisms for walking through any arbitrary PHP variable

symfony/framework-bundle

Provides a tight integration between Symfony components and the Symfony full-stack framework

symfony/property-access

Provides functions to read and write from/to an object or array using a simple string notation

symfony/flex

Composer plugin for Symfony

symfony/twig-bridge

Provides integration for Twig with various Symfony components