Free and Open Source PHP Wiki Scripts

Dokuwiki

 

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

 

MediaWiki is the software 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 at least PHP 5 to run this program, as well as 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

 

WackoWiki is a Wiki engine that uses PHP and MySQL. It provides access controls (ACLs) for each page, a WYSIWYG editor, localizations for a number of languages, email notification on changes and comments, several cache levels, design themes or skins, XHTML compliance, page comments, etc.

Wikka Wiki

 

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). 

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). 

ErfurtWiki

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

 

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.