1. Django
2. Cakephp
3. Ruby on Rails (RoR)
4. Drupal (CMS)
Drupal is an open source Content Management System(CMS) written in PHP. It is open source social publishing software that empowers individuals, teams, and communities to easily publish, manage and organize a wide variety of content on a website. It is used as a "back end" system for many different types of websites, ranging from small personal blogs to large corporate and political sites.
