Free and Open Source PHP Wiki Scripts

Set up your own WikiWikiWeb site like Wikipedia

Free and Open Source PHP Wiki Scripts

The free Wiki scripts on this page are written in PHP, and allow you to add user-supported, collaborative web pages to your website. That is, your visitors can create, edit and modify wiki articles or pages on your website. Wiki software are typically used for community-based websites like Wikipedia where articles, information, knowledge-bases and FAQs are maintained by users rather than the webmaster. Also known as WikiWikiWeb software, the term comes from a Hawaiian word "wiki" which means "quick". Essentially the wiki software allows you to quickly create a website. In fact, making a link to a page automatically creates it.

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Free and Open Source PHP Wiki Software


Unlike many of the Wiki software listed on this page, Dokuwiki does not require you to have MySQL or some other database system for it to work, since it stores its data in plain text files. Features include the ability to display changes made to the page in different colours (or "colors" in US English), the ability to categorise ("categorize") content using namespaces, breadcrumb support, automatic generation of a table of contents, file locking support to prevent conflicts when 2 or more people are editing the same page, automatic saving while editing, spam blacklists, email address obsfuscation, Unicode (UTF-8) support, optional plural linking for English wikis, page caching, search, customisable appearance via templates, and lots more.


MediaWiki is the software that used to power the famous Wikipedia. As such, it is a proven piece of software that runs on many platforms, including Linux, Mac OS X, Windows, Solaris, Netware, FreeBSD, etc. You will need PHP and a MySQL or PostgreSQL database. To configure the script, you will, however, need to know PHP. There are many extensions available for this wiki software, so even if you cannot find a feature in the base install, you should be able to get it from an extension.


WackoWiki is a Wiki engine that uses PHP and MySQL or MariaDB. It provides full UTF-8 support, design themes or skins, revision control, What You Think Is What You Get editing, page comments, RSS autodiscovery, multilingual support, templates, etc.

PHPWiki - a PHP WikiWikiWeb

PHPWiki is a wiki software that uses PHP and a relational database software like MySQL, mSQL or PostgreSQL. It is a clone of the original WikiWikiWeb software that started everything. The software works out of the box. It is licensed under the GNU General Public License (an open source licence).

Wikka Wiki

[Update: this wiki has reached End of Life (which means that it will no longer be updated).] Wikka Wiki is a ligthweight wiki engine that uses PHP and MySQL. It produces W3C compliant XHTML code, is easily customizable using CSS, provides global and page-level RSS newsfeeds, has human and search engine friendly page titles, has a GUI page editor with a page preview, supports edit notes, has a handler for search and replace operations, supports a variety of formatting options, automatically parses links, handles file uploading and downloading, has inline Flash support, has native support for mindmaps, has a page cloning utility, allows page ownership and fine-grained page level access controls, allows page embedding where one page can be embedded inside another, has security features to filter out dangerous content and antispam features like blacklist support, provides system and edit information, etc. It also has revision management tools that allow you to view a page history, compare page revisions with differences highlighted, easily retrieve or revert to previous revisions, look at recent comments and recently changed pages, etc. This Wiki software is licensed under the open source GNU General Public License (GPL).


[Update: At the time I write this, it looks like this software is no longer being updated, with the last version in 2005 or thereabouts.] This is an implementation of the WikiWikiWeb software with a plugin interface. It supports easy image uploading, multiple platforms (such as OpenBSD, Linux, etc) and works with different database back-ends like MySQL, PostgreSQL, and even flat files, etc. The software is in the public domain.

Wikepage Wiki Script

[Update: At the time I write this, it looks like this software is no longer being updated, with the last version in 2008 or thereabouts.] Wikepage is a Wiki that is designed to be small. At present, it limits itself to an arbitrary 38,911 bytes in size. It supports protected pages, RSS output, i18n, multilanguage sites, etc. It does not need a database. The software is licensed under the open source GNU General Public License.

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