Useful symfony plugins
- http://www.symfony-project.org/plugins/csDoctrineActAsSortablePlugin
- http://www.symfony-project.org/plugins/sfCaptchaGDPlugin
- http://www.symfony-project.org/plugins/sfFacebookConnectPlugin
- http://www.symfony-project.org/plugins/sfErrorNotifierPlugin
- http://www.symfony-project.org/plugins/sfDynamicsPlugin
- http://www.symfony-project.org/plugins/sfSslRequirementPlugin
- http://www.symfony-project.org/plugins/sfJqueryFormValidationPlugin
- http://www.symfony-project.org/plugins/sfDoctrineGraphvizPlugin