CakePHP: The Rapid Development Framework for PHP - Official Repository
Flat-files and plain-old PHP functions rockin'on as a set of general purpose high-level abstractions.
Yii 2: The Fast, Secure and Professional PHP Framework
The HttpFoundation component defines an object-oriented layer for the HTTP specification.
The Symfony PHP framework
[READ-ONLY] Flow Application Framework, provides MVC, DI, AOP, Security, …
Biny is a tiny, high-performance PHP framework for web applications
The HttpKernel component provides a structured process for converting a Request into a Response.