CodeIgniter - A Fully Baked PHP Framework
Valentina Studio - FREE native database manager for SQLite, MySQL, PostgreSQL, SQL Server and Valentina DB.
Laravel - A PHP Framework For Web Artisans
SQLite Manager - Manage all your SQLite databases using this lightweight extension for Firefox, Thunderbird...
Agile Toolkit - Agile Toolkit is a PHP framework for developing Web User Interfaces.
phpMyAdmin - phpMyAdmin is a tool written in PHP intended to handle the administration of MySQL over the Web.