Yii Framework: Powerful PHP MVC Framework for Web Development

Yii is a free and open-source web application development framework written in PHP. It follows the Model-View-Controller (MVC) architectural pattern and provides a set of tools and libraries for building robust and scalable web applications. Yii is known for its high performance, security features, and ease of use. It also supports various databases such as MySQL, PostgreSQL, and SQLite. Yii has a large community of developers and users who contribute to its development and provide support through forums and documentation.