Free software programmed in PHP

MediaWiki is a free and open-source wiki software system originally developed by Magnus Manske and released for use on Wikipedia on January 25, 2002, and further enhanced by Lee Daniel Crocker, after which development has been coordinated by the Wikimedia Foundation. It powers several wiki hosting websites across the Internet, as well as most websites hosted by the Wikimedia Foundation, including Wikipedia, Wiktionary, Wikimedia Commons, Wikiquote, Meta-Wiki and Wikidata, which define a large part of the set requirements for the software. Besides its usage on Wikimedia sites, MediaWiki has bee

WordPress (WP, or WordPress.org) is a web content management system. It was originally created as a tool to publish blogs but has evolved to support publishing other web content, including more traditional websites, mailing lists, Internet forums, media galleries, membership sites, learning management systems, and online stores. Available as free and open-source software, WordPress is among the most popular content management systems – it was used by 22.52% of the top one million websites .

Joomla (), also styled Joomla! (with an exclamation mark) and sometimes abbreviated as J!, is a free and open-source content management system (CMS) for publishing web content on websites. Web content applications include discussion forums, photo galleries, e-Commerce and user communities, and numerous other web-based applications. Joomla is developed by a community of volunteers supported with the legal, organisational and financial resources of Open Source Matters, Inc.

Drupal () is a free and open-source web content management system (CMS) written in PHP and distributed under the GNU General Public License. Drupal provides an open-source back-end framework for at least 14% of the top 10,000 websites worldwide and 1.2% of the top 10 million websites—ranging from personal blogs to corporate, political, and government sites. Drupal can also be used for knowledge management and for business collaboration.

Moodle ( ) is a free and open-source learning management system written in PHP and distributed under the GNU General Public License. Moodle is used for blended learning, distance education, flipped classroom and other online learning projects in schools, universities, workplaces and other sectors.

translatewiki.net, formerly named Betawiki, is a web-based translation platform powered by the Translate extension for MediaWiki. It can be used to translate various kinds of texts but is commonly used for creating localisations for software interfaces.

phpBB is an Internet forum package written in the PHP scripting language. The name "phpBB" is an abbreviation of PHP Bulletin Board. Available under the GNU General Public License, phpBB is free and open-source.

phpMyAdmin is a free and open source administration tool for MySQL and MariaDB. As a portable web application written primarily in PHP, it has become one of the most popular MySQL administration tools, especially for web hosting services.

Laravel is a free and open-source PHP-based web framework for building web applications. It was created by Taylor Otwell and intended for the development of web applications following the model–view–controller (MVC) architectural pattern and based on Symfony. Some of the features of Laravel include modular packaging system with a dedicated dependency manager, different ways for accessing relational databases, utilities that aid in application deployment and maintenance, and its orientation toward syntactic sugar.

Phabricator is a free and open source suite of web-based development collaboration tools.

Magento is an open-source e-commerce platform written in PHP. Magento source code is distributed under the Open Software License. Magento was acquired by Adobe Inc in May 2018 for $1.68 billion.

CakePHP is an open-source web framework. It follows the model–view–controller (MVC) approach and is written in PHP, modeled after the concepts of Ruby on Rails, and distributed under the MIT License.

Web template system in PHP

CodeIgniter is a free and open-source software rapid web development framework, for use in building dynamic web sites with PHP.

Symfony is a free and open-source PHP web application framework and a set of reusable PHP component libraries. It was published as free software on October 18, 2005, and released under the MIT License.

TYPO3 is a web content management system (CMS) written in the programming language PHP. It is free and open-source software released under the GNU General Public License version 2.

Nextcloud is a suite of client-server software for creating and using file hosting services. It can integrate with the Collabora Online and OnlyOffice office suites. It can be hosted in the cloud or on premise and can scale up to millions of users. It has been translated into over 100 languages.

ownCloud is a free and open-source software project for content collaboration, file-sharing, and file-syncing. It's usable in distributed and federated enterprise scenarios.

Open source content management system

software; application-level dependency manager for the PHP programming language

XOOPS is a free open-source content management system (CMS), written in PHP. It uses a modular architecture allowing users to customize, update and theme their websites. XOOPS is released under the terms of the GNU General Public License (GPL) and is free to use, modify and redistribute.

open-source Internet forum software

OsCommerce (styled "osCommerce" - "open source Commerce") is an e-commerce software solution. It can be used on any web server that has PHP and MySQL installed. It is available as free software under the GNU General Public License.

PHP-Nuke is a web-based automated news publishing and content management system based on PHP and MySQL originally written by Francisco Burzi. The system is controlled using a web-based user interface. PHP-Nuke was originally a fork of the Thatware news portal system by David Norman.

PrestaShop is a freemium, open source e-commerce platform. The software is published under the Open Software License (OSL). It is written in the PHP programming language with support for the MySQL database management system. It has a software dependency on the Symfony PHP framework.

PHP-Fusion is a free and open-source web framework based on PHP and MySQL & MariaDB that has an integrated content management system (CMS) among many other features.

OpenCart is an online store management system developed by Hong Kong–based OpenCart Limited. It is PHP-based, using a MySQLi (MySQL, MariaDB, Percona Server) or PostgreSQL database and HTML components. Support is provided for different languages and currencies. It is freely available under the GNU General Public License.

Roundcube is a web-based IMAP email client written in PHP. It uses Ajax throughout its interface and is licensed under the GNU GPL version 3 or later, with exceptions for skins and plugins.

PHP scripting engine

VisualEditor (VE) is an online rich-text editor for MediaWiki-wikis that provides a way to edit pages based on the WYSIWYG (what you see is what you get) principle. It was developed by the Wikimedia Foundation in partnership with Fandom. In July 2013, it was enabled by default on several of the largest Wikipedia projects.

MyBB, formerly MyBBoard and originally MyBulletinBoard, is a free and open-source forum software developed by the MyBB Group. It is written in PHP, supports MariaDB, MySQL, PostgreSQL and SQLite as database systems and, in addition, has database failover support. It is available in multiple languages and is licensed under the LGPL. The software allows users to facilitate community driven interaction through a MyBB instance.

free software web analytics system

HipHop Virtual Machine (HHVM) is an open-source virtual machine based on just-in-time (JIT) compilation that serves as an execution engine for the Hack programming language. By using the principle of JIT compilation, Hack code is first transformed into intermediate HipHop bytecode (HHBC), which is then dynamically translated into x86-64 machine code, optimized, and natively executed. This contrasts with PHP's usual interpreted execution, in which the Zend Engine transforms PHP source code into opcodes that serve as a form of bytecode, and executes the opcodes directly on the Zend Engine's virt

Pixelfed is a free and open-source image sharing social network service. The platform uses a decentralized architecture which is roughly comparable to e-mail providers, meaning user data is not stored on one central server. It uses the ActivityPub protocol, allowing users to interact with other social networks within the protocol, such as Mastodon, PeerTube, and Friendica. Pixelfed and other platforms utilizing this protocol are considered to be part of the Fediverse.

WooCommerce is an open-source e-commerce plugin for WordPress. It is designed for small to large-sized online merchants using WordPress. Launched on September 27, 2011, the plugin quickly became popular for its simplicity to install and customize and for the market position of the base product as freeware (even though many of its optional extensions are paid and proprietary). WooCommerce is developed and supported by Woo and includes contributions from a global community of developers.

free and open source, web-based bug tracking system

LimeSurvey (formerly PHPSurveyor) is a free and open source online statistical survey web app written in PHP using a MySQL, SQLite, PostgreSQL or MSSQL database, distributed under the GNU General Public License. Its web interface enables users to develop and publish online surveys, collect responses, review statistics, and export the resulting data to other applications.

Omeka (also known as Omeka Classic) is a free, open-source content management system for online digital collections. As a web application, it allows users to publish and exhibit cultural heritage objects, and extend its functionality with themes and plugins. A lightweight solution in comparison to traditional institutional repository software like DSpace and Fedora, Omeka has a focus on display and uses an unqualified Dublin Core metadata standard.

Content management system, free and open-source wiki software

Piwigo is a free and open-source web-based photo gallery, originally written by Pierrick Le Gall. It is written in PHP and requires a MySQL database.

open source content management system

H5P is a free and open-source content collaboration framework based on JavaScript. H5P is an abbreviation for HTML5 Package, and aims to make it easy for everyone to create, share and reuse interactive HTML5 content. Interactive videos, interactive presentations, quizzes, interactive timelines and more have been developed and shared using H5P on H5P.org. H5P is being used by 17 000+ websites. In June 2018 the core team announced that H5P would be supported financially by the Mozilla Foundation within the MOSS program. Results were presented roughly one year later.

template engine

PmWiki is a wiki-based content management system designed for a collaborative creation and maintenance of websites.

SPIP (''Système de Publication pour l'Internet'') is a free software content management system designed for web site publishing, oriented towards online collaborative editing.

OpenMediaVault (OMV) is a free Linux distribution designed for network-attached storage (NAS). The project's lead developer is Volker Theile, who instituted it in 2009. OMV is based on the Debian operating system, and is licensed through the GNU General Public License v3.

Textpattern is a free and open-source content management system (CMS) for PHP and MySQL. It was originally developed by Dean Allen and now developed by Team Textpattern. While it is typically listed among weblogging tools, its aim is to be a general-purpose content management system. The current stable version is Textpattern .

SquirrelMail is an open-source webmail application written in PHP. It provides a web-based interface for accessing email via the IMAP protocol and sends messages through SMTP. The project also includes a separate IMAP proxy server written in C. Both components are released under the GNU General Public License version 2 or later.

journal management and publishing system

free open source RRDtool

CiviCRM ( C-R-M) is a web-based suite of internationalized open-source software for constituency relationship management that falls under the broad rubric of customer relationship management. It is specifically designed for the needs of non-profit, non-governmental, and advocacy groups, and serves as an association-management system.

Claroline is an open-source collaborative eLearning and eWorking platform, (learning management system) operating under the GPL open-source license. It enables organizations to develop and manage courses and collaboration spaces online. Used extensively in educational institutions and by enterprises for data sharing, it boasts availability in around 100 countries and supports 35 languages

GLPI (acronym: , or "Free IT Equipment Manager" in English) is an open source IT Asset Management, issue tracking system and service desk system. This software is written in PHP and distributed as open-source software under the GNU General Public License.

free and open-source web-based electronic portfolio management system

Chamilo is a free software (under GNU/GPL licensing) e-learning and content management system, aimed at improving access to education and knowledge globally. It is backed up by the Chamilo Association, which has goals including the promotion of the software, the maintenance of a clear communication channel and the building of a network of services providers and software contributors.

CMSimple is a free content management system. It aims to be simple, small and fast. As it is written in PHP it runs on Linux/Apache servers, or on Win32 with Apache or IIS. CMSimple is licensed under the terms of the GPL3.

phpDocumentor is an open-source documentation generator written in PHP. It automatically parses PHP source code and produces readable API and source code documentation, based on PHPDoc-formatted comments and the structure of the source code itself. It supports documentation of both object-oriented and procedural code. phpDocumentor runs at the command line to create documentation in HTML format. It has support for linking between documentation, incorporating user level documents like tutorials, and creation of highlighted source code with cross referencing to PHP general documentation.

open source social networking software

OpenBiblio is an open source Integrated Library System. The software is popular with small and rural libraries worldwide due to its simplicity, extensive language support, and good documentation.

VuFind is an open-source library search engine that allows users to search and browse beyond the resources of a traditional Online public access catalog (OPAC). Developed by Villanova University, version 1.0 was released in July 2010 after two years in beta.