The best replacement for symfony is zend.

The best alternatives to symfony are rated as following:
★★★★★  zend
★★★★  codeigniter
★★★★  cakephp
★★★★  rails
★★★  yii
★★★  laravel
★★★  zend framework
★★  django
★★  drupal
★  silex
★  kohana
  code igniter
  phalcon

Your alternative for symfony is not listed? Suggest!
Speaking about symfony, one probably shouldn't forget about doctrine.

Other search terms related to symfony and their ratings are:
★★★★★ doctrine
★★★ twig
★★ propel
★ wildcard routes
You have in mind a companion for symfony and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of symfony in all years. Click on graph for more.
symfony
zend
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