Its powerful syntax makes sure the datafiles remain readable outside the Wiki.

Installation

Download the newest release.
Read the security page before you begin installing. Take it seriously.
Unpack the distribution tarball and upload/copy the files to your webspace.
Open the install.php in your browser and follow the instructions.

Here are some key features of "DokuWiki":

Basic Features:
· Simple syntax
· Unlimited page revisions
· Recent changes
· Colored side by side diff support
· Uploading and embedding of images and other media
· Customizable Interwiki links
· Optional CamelCase support
· Content can be categorized in namespaces, easily browsable through an automatic index

High Usability:
· Section Editing allows editing of small parts of a page
· Toolbar and accesskeys make editing easy for beginners and professionals
· Easy navigation through breadcrumbs
· Automatic table of contents generation
· Locking to avoid edit conflicts

Access Control and Anti-Spam Measures:
· Simple support for read only pages
· Extended Access Control Lists
· Spam blacklist
· Delayed Indexing
· Mailencryption and rel=nofollow support

International:
· Support for over 30 languages
· Full UTF-8 support
· Romanization support for nicer URLs
· Optional automatic plural linking for English wikis.

Fast:
· Index-based fast fulltext search
· Pagecaching for quicker rendering
· Ajax-enhanced interface

Extensible:
· Layout customizable through Template
· Features can be extended through plugins (over 300 already available)

Easy Integration:
· No database required, uses plain text files
· Syndication of recent changes as RSS or ATOM feeds
· Authentication Backends for integrating with LDAP, MySQL, Postgres and others
· Open Source and well documented source code
· Easy to edit

Requirements:

· PHP 5.1.12+
· PHP LibGD extension or ImageMagick

What's New in This Release: [ read full changelog ]

· Version handling of media files, just like pages. Old versions are saved and change history available in “recent changes” list as well as in RSS.
· Better farming with cascading configuration for plugin enabling/disabling, this was developed as part of the new extension manager.
· Performance enhancement by using data URIs.