Provides a way to map an object to another object

The Symfony PHP framework

Symfony Amazon Mailer Bridge

Helps sending emails

Generic abstractions related to writing services

A set of abstractions extracted out of the Symfony components

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

Provides mechanisms for walking through any arbitrary PHP variable

Provides a LDAP client for PHP on top of PHP's ldap extension

Helps applications send and receive messages to/from other applications or via message queues