Zend Framework

Zend Framework is based on simplicity, object-oriented best practices, business-friendly licensing and a thoroughly tested agile codebase, extending the art & spirit of PHP. Zend Framework is focused on building secure and more modern Web 2.0 applications & web services, and using widely used APIs from leading vendors.

Zend Framework functionalities

All components are fully object-oriented PHP 5 and E_STRICT compliant.
Extensible MVC implementation supporting standard layouts and PHP-based templates
Support for multiple database systems and vendors, including MariaDB, MySQL, Oracle, IBM DB2, Microsoft SQL Server, PostgreSQL, SQLite.

Informix Dynamic Server

E-mail functionalities via mbox, Maildir, POP3 and IMAP4
Caching subsystem with support for backends, such as memory or a file system.
Frameworks and best practices mean lower training costs and faster time-to-market.