Provides functions to read and write from/to an object or array
Allows manipulating MIME messages
Provides a way to profile code
Component of phpDocumentor that provides a DocBlock parser
Converts words between their singular and plural forms (English only)
Provides an improved replacement for the array_replace PHP function
Annotations docblock parser
Translation abstractions extracted out of the Symfony components
Provides tools to manage errors and ease debugging PHP code
Provides tools to validate values
Integration of the Security component into the Symfony framework
Provides an engine that can compile and evaluate expressions
Handles serializing and deserializing data structures
Eases DOM navigation for HTML and XML documents
Provides integration for Monolog with various Symfony components
Goutte, a simple PHP Web Scraper
Doctrine Cache component
Small PHP MVC Framework