pmWiki

From PmWiki Site:

"PmWiki is a WikiWikiWeb system developed by Patrick Michaud in the PHP scripting language. PmWiki has been primarily designed as a tool to support easy, collaborative authoring and maintenance of web sites."

Features:

Full Feature List for PmWiki

User Screenshot:

Edit Page Screenshot:

Demo Link:

PmWiki Demo

Documentation:

PmWiki Documentation

System Requirements:

PmWiki System Requirements

Installation:

PmWiki Installation Instructions

Helpful Resources:

PmWiki Developer Site
PmWiki Sourceforge Page
PmWiki Freshmeat Listing
pmWiki on Wikipedia

Download:

Download PmWiki

License:

GNU General Public License (GPL)