Humbug : Humbug is a Mutation Testing framework for PHP to measure the real effectiveness of your test suites and assist in their improvement. It eats Code Cov...
Kraken Framework : Kraken is the first and only multi-processed, multi-threaded, fault-tolerant framework for PHP. It has been written to provide easy and reliable API f...
Silex : The PHP micro-framework based on Symfony2 Components
amphp : Amp is a non-blocking concurrency framework for PHP providing primitives to manage concurrency such as an event loop, promises, and asynchronous itera...
Flow is a PHP web application framework focussed on Domain-Driven Design and clean code.
