Name of the project Website
atoum http://atoum.org/

atoum is a modern and intuitive testing framework for PHP.

Behat http://behat.org/

Behat is a tool to support you in delivering software that matters through continuous communication, deliberate discovery and test-automation.

Codeception http://codeception.com/

Codeception is a modern full-stack testing framework for PHP.

Composer https://getcomposer.org/

Composer is a tool for dependency management in PHP.

It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.

dePHPend https://dephpend.com/

dePHPend helps with bringing your PHP projects back in shape.

HTMLProofer https://github.com/gjtorikian/html-proofer

HTMLProofer will test your rendered HTML files to make sure they're accurate.

Infection https://infection.github.io/

Infection is a PHP mutation testing framework based on AST (Abstract Syntax Tree) mutations.

Kahlan https://kahlan.github.io/docs/

Kahlan is a full-featured Unit & BDD test framework a la RSpec/JSpec which uses a describe-it syntax and moves testing in PHP one step forward.

Parse - A PHP Security Scanner https://github.com/psecio/parse

Parse - A PHP Security Scanner is a static scanning tool to review your PHP code for potential security-related issues.

peridot http://peridot-php.github.io/

peridot is an highly extensible, highly enjoyable, BDD testing framework for PHP.

Phan https://github.com/etsy/phan

Phan is a static analyzer for PHP.

Pho https://github.com/danielstjules/pho

Pho is a BDD test framework for PHP, inspired by Jasmine and RSpec.

PHP Assumptions https://github.com/rskuipers/php-assumptions

PHP Assumptions is a static code analysis tool doing checks for weak assumptions.

PHP Code Beautifier and Fixer https://pear.php.net/package/PHP_CodeSniffer

PHP Code Beautifier and Fixer fixes violations of a defined coding standard.

PHP Coding Standards Fixer 2 http://cs.sensiolabs.org/

The PHP Coding Standards Fixer 2 tool fixes most issues in your code when you want to follow the PHP coding standards as defined in the PSR-1 and PSR-2 documents and many more.

PHP Copy/Paste Detector https://github.com/sebastianbergmann/phpcpd

PHP Copy/Paste Detector is a Copy/Paste Detector for PHP code.

PHP Dead Code Detector https://github.com/sebastianbergmann/phpdcd

PHP Dead Code Detector is a Dead Code Detector (DCD) for PHP code.

PHP Formatter https://github.com/mmoreram/php-formatter

PHP Formatter aims to provide you some bulk actions for your PHP projects to ensure their consistency.

PHP Mess Detector https://phpmd.org/

PHP Mess Detector scans PHP source code and looks for potential problems such as possible bugs, dead code, suboptimal code, and overcomplicated expressions.

PHP Parallel Lint https://github.com/JakubOnderka/PHP-Parallel-Lint

PHP Parallel Lint checks the syntax of PHP files faster than serial check, with a fancier output.

PHP Security Advisories Database https://github.com/FriendsOfPHP/security-advisories

The PHP Security Advisories Database references known security vulnerabilities in various PHP projects and libraries.

Phpactor https://phpactor.github.io/phpactor/

Phpactor is an intelligent code-completion and refactoring tool for PHP.

PHPCheckstyle https://github.com/PHPCheckstyle/phpcheckstyle

PHPCheckstyle is an open-source tool that helps PHP programmers adhere to certain coding conventions.

PhpCodeAnalyzer https://github.com/wapmorgan/PhpCodeAnalyzer

PhpCodeAnalyzer finds usage of different non-built-in extensions in your php code.

PhpCodeFixer https://github.com/wapmorgan/PhpCodeFixer

PhpCodeFixer finds deprecated functions, wrong functions usage, variables, ini directives and restricted identifiers in your php code.

PHPCompatibility https://github.com/PHPCompatibility/PHPCompatibility

PHPCompatibility is a set of sniffs for PHP_CodeSniffer that checks for PHP version compatibility.

phpDocumentor https://phpdoc.org/

phpDocumentor analyzes your code to create great documentation. It enables you to generate documentation directly from your PHP source code.

phpDox http://phpdox.de/

phpDox is a documentation generator for PHP projects.

PHPLOC https://github.com/sebastianbergmann/phploc

PHPLOC is a tool for quickly measuring the size and analyzing the structure of a PHP project.

PhpMetrics http://www.phpmetrics.org/

PhpMetrics provides software metrics about PHP project and classes.

PHPSpec https://www.phpspec.net/

PHPSpec is a tool which can help you write clean and working PHP code using Behaviour Driven Development (BDD).

PHPStan - PHP Static Analysis Tool https://medium.com/@ondrejmirtes/phpstan-2939cd0ad0e3

PHPStan - PHP Static Analysis Tool focuses on finding errors in your code without actually running it.

PHPUnit http://www.phpunit.de/

PHPUnit is a programmer-oriented testing framework for PHP.

PHPVisualDebt https://github.com/phpvisualdebt/phpvisualdebt

PHPVisualDebt is a Static Analyzer following QDD which Questions Everything that is leaving Visual Debt behind.

PHP_CodeSniffer https://pear.php.net/package/PHP_CodeSniffer

PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.

PHP_Depend https://pdepend.org/

PHP_Depend shows you the quality of your design in the terms of extensibility, reusability and maintainability.

PHP_Testability https://github.com/edsonmedina/php_testability

PHP_Testability analyses and produces a report with testability issues of a php codebase.

Psalm https://getpsalm.org/

Psalm is a static analysis tool for finding errors in PHP applications.

Qafoo Quality Analyzer https://github.com/Qafoo/QualityAnalyzer

Qafoo Quality Analyzer is a tool to visualize metrics and source code.

Roave Security Advisories https://github.com/Roave/SecurityAdvisories

Roave Security Advisories ensures that your application doesn't have installed dependencies with known security vulnerabilities.

Scrutinizer https://scrutinizer-ci.com/

Scrutinizer intents to improve code quality and find bugs before they hit production.

SensioLabs Insight https://insight.sensiolabs.com/

SensioLabs Insight continuously analyzes your code to detect security risks, find bugs, provide actionable metrics and help improve your projects in the long term.

SensioLabs Security Checker https://security.symfony.com/

SensioLabs Security Checker is a command line tool that checks if your application uses dependencies with known security vulnerabilities.

SimpleTest http://simpletest.org/

SimpleTest is a framework for unit testing, web site testing and mock objects for PHP.

Smart Analyzer for PHP https://phpsa.dmtry.me/

Smart Analyzer for PHP is a development tool aimed at bringing complex analysis for PHP applications and libraries.

Storyplayer http://datasift.github.io/storyplayer/

Bring your user and service stories to life through your tests with Storyplayer.

Tuli https://github.com/ircmaxell/Tuli/

Tuli is a static analysis engine.

VersionEye https://github.com/versioneye/

VersionEye notifies you about security vulnerabilities, license violations and out-dated dependencies in your Git repositories.