Patika is a routing package which you don't have to define the routes.
A simple, fast router for PHP5.3/4, support APC cache, RESTful, highly extendable and flexible.
Simple PHP router
Simplest PHP Router Ever, 1 File, Make it Your Own
The simple URL router built with PHP
PHP client for Project-OSRM
A HTTP router application wrapper.
Nette Routing: two-ways URL conversion
A very lightweight and fast speed PHP request router. 非常快速且轻量的请求匹配路由器。无依赖、简洁、自定义性强,查找匹配速度快
A fast, flexible and scalable HTTP router for PHP.
A class used for routing and handling callbacks.
A simple router for the Bingo Framework.
PHP class to route with regular expressions. Extremely small.
Two powerful custom route classes for CakePHP 1.3. Should take the pain away when working with le...
Backend PHP Router driven by YAML configuration files and dependency injection.
CakePHP2: Automagically route /:page style routes without any fuss