Diligence

This website is heavily inspired by the work of Sebastian Bergmann for "The PHP Quality Assurance Toolchain".

Charity

A huge thanks to all the people who are maintaining one or more quality assurance projects for PHP:
Andrew Morrison, Anthony Ferrara, Arne Blankerts, Austin Morris, Benoit Pesty, Bob Weinand, Brian Scaturro, Chris Cornutt, Christian Zosel, Ciaran McNulty, Damien Seguy, Daniel Leech, Daniel St. Jules, Dariusz Rumiński, David Négrier, Dmitry Patsura, Edson Medina, Edward Z. Yang, Evilebot Tnawi, Fabien Potencier, Felipe Pena, FriendsOfPHP, Frédéric Hardy, Garen Torikian, Greg Sherwood, Hari Kodungallur, Jakub Onderka, James Brooks, Jason Sweat, Jean-François Lépine, Jens A. Koch, Joe Watkins, Johannes Schmitt, Jordi Boggiano, Julien Bianchi, Konstantin Kudryashov, Kore Nordmann, Maks Rafalko, Manuel Pichler, Marc Morera, Marcello Duarte, Marcin Kurczewski, Marco Pivetta, Marcus Baker, Matthew Brown, Michael Bodnarchuk, Michael Haeuslmann, Michael Heap, Michał Brzuchalski, Mike Grip, Mike van Riel, Niels de Blaauw, Nils Adermann, Nimish Pachapurkar, Ondřej Mirtes, Perrick Penet, Povilas Susinskas, Rasmus Lerdorf, Rick Kuipers, Robert Reiz, Sebastian Bergmann, Sebastian Feldmann, Sergei Vanyushin, Simon Mönch, Stuart Herbert, Tim Glabisch, Tomáš Votruba, Travis Swicegood, Wim Godden

Temperance

Even more tools can be found on the exakat repository.