CakePHP is a web development framework, somewhat similar to Rails. It provides scaffolding tools, an ActiveRecord/DataMapper implementation, doesn't require much setup or configuration. It comes with helpers for text translations, caching, validation, authorization backends, CSRF and XSS protection, and templating. It follows the Web-"MVC" scheme, centralized route dispatching, less efficient class-by-class autoloading, etc. Thorough API documentation and a rich set of user-contributed plugins e
Django is a high-level Python Web-MVC framework for RAD with clean and pragmatic code. It's comparatively fast, integrates moderns security features, and is very scalable. It prefers explicit configuration over implicit conventions, has an object-relational database mapper, autogenerated admin interfaces, flexible regex-based URL dispatching, internationalization features, a custom templating engine or Jinja2, caching, authentication or authorization, a user comment plugin, RSS/Atom and sitemap
CodeIgniter is a mature framework for PHP web applications. It's modularized and comperatively lean, requires litte configuration, comes with extensive documentation. CodeIgniter supports Active Record, Web-MVC, comes with security filters, autorization and persistence, localization, caching, loggin, standard URL routing, does not impose a templating engine, and works with almost any database.