Wiki software (also known as a wiki engine or wiki application) is software that runs a wiki, or a website that allows users to collaboratively create and edit web pages using a web browser. A wiki system is usually a web application that runs on one or more web servers. You can create your own wikipedia like website with these wiki software with very easy to understand documentations in all of the software listed below.
The content, including all current and previous revisions, is usually stored in either a file system or a database. Wiki software is a type of collaborative software.
Some factors deemed important to the decision of which wiki software to use in academic settings include cost, complexity, control, clarity, common technical framework, and features. The fact that most wiki software lacks tools such as an equation editor, instant messaging, link checking, and virtual whiteboard, has been described as a limitation in their usefulness for academic work.
For PHP guys here are the 5 best wiki software which support PHP environment. If you have used any of these, please do share the experience with us and which one is better than others.
MediaWiki is a free software wiki package which uses a PHP-MySQL or PostgreSQL database backend; however it is publicly available and suitable for tailoring to other applications., it was originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis.
Tiki is a powerful web-based application created by a large team of contributors. Tiki is an ideal tool for you to build and maintain your Website/Wiki/Groupware/CMS/Forum/Blog/Bug Tracker or any other project you can imagine running in your browser window.
A WikiWikiWeb is a web site where anyone can edit the pages through an HTML form. Linking is done automatically on the server side; all pages are stored in a database.
DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at creating documentation of any kind. It is targeted at developer teams, workgroups and small companies. It has a simple but powerful syntax which makes sure the datafiles remain readable outside the Wiki and eases the creation of structured texts. All data is stored in plain text files – no database is required.
PmWiki is a PHP-based wiki. Features include: GPL-licensed, easy installation/customization, designed for collaborative authoring and maintenance of web sites, and support for Internationalization. Does not require a database.