Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Laravel - A PHP Framework For Web Artisans
CircleCI - CircleCI gives web developers powerful Continuous Integration and Deployment with easy setup and maintenance.
CodeIgniter - A Fully Baked PHP Framework
Travis CI - Focus on writing code. Let Travis CI take care of running your tests and deploying your apps.
CakePHP - The Rapid Development Framework for PHP