What is Symfony?
Symfony is a free back end PHP web app framework released by Fabien Potencier in 2005.
Who manages Symfony?
Symfony is currently developed by SensioLabs with contributions from hundreds of other independent engineers.
Who uses Symfony?
Symfony has gained notable traction since it’s release and is currently in use on several sections of Yahoo! and TED’s homepage.
Is Symfony portable?
Many components of Symfony have been tweaked and ported for use in other popular PHP frameworks including Drupal, Laravel and Magento.