Packagist is the main Composer repository. It aggregates public PHP packages installable with Composer.
Manager of PHP output buffers
File utilities for PHP
Symfony Console component with dependency injection, config handling, configurable command loading, and other niceties.
Convenient helpers for working with Symfony's dependency injection and config components.
Container for otherwise boilerplate of Symfony projects.
WordPress theme to use as parent theme for easy theme development
Helper classes for WordPress theme development