CakePHP

Official Website: https://cakephp.org

License: Free

CakePHP is a rapid development framework for PHP that provides an extensible architecture for developing, maintaining, and deploying applications. Using commonly known design patterns like MVC and ORM within the convention over configuration paradigm, CakePHP reduces development costs and helps developers write less code.

Features:

• No Configuration - Set-up the database and let the magic begin
• Extremely Simple - Just look at the name...It's Cake
  
• Active, Friendly Community - Join us #cakephp on IRC. We'd love to help you get started.
  
• Flexible License - Distributed under the MIT License
  
• Clean IP - Every line of code was written by the CakePHP development team
  
• Best Practices - covering security, authentication, and session handling, among the many other features.
  
• OO - Whether you are a seasoned object-oriented programmer or a beginner, you'll feel comfortable 

Highlights:

• Internationalization and Localization with static translations in gettext style or dynamic translations of model data.
• Full Console environment with support for multiple tasks. Included shells: bake, schema, acl, i18 extractor, api
  
• CSRF protection via Security Component
  
• HTTP Authentication via Security Component
  
• Flexible Caching: use memcache, apc, xcache, the file system, or a model to speed up your application
  
• Configure class to provide dynamic handling of configuration settings and App class to handle importing required classes