| ZWiki.org A simple wiki module for Zope, with an issue tracking system (GNU GPL). | |
| ZWiki A Wiki implementation that runs on the Zope framework. | |
| XenIntranet A modular intranet/extranet solution based on the Ampoliros PHP web applications platform and taking advantage of Ampoliros features. GNU license. | |
| WorldWideWiki : SwitchWiki SwitchWiki is an effort to list every public wiki. | |
| WorldPilot Zope-based program that provides an IMAP based web mail client, contact and address book, notes, ToDo's, calendar and workgroup sharing. | |
| Wine-Wiki A project geared to provide peer created How-Tos, tips, and documentation to users of the Wine application. | |
| WinDeveloper IMF Tune Extends the Microsoft Exchange Intelligent Message Filter feature set and enables Exchange/Outlook integration of other spam filters running on any platform, gateway appliance or external service provider. | |
| Wikki Tikki Tavi A PHP script that runs wiki sites. | |
| WikkaWiki A free PHP/MySQL wiki engine based on forked code from WakkaWiki, with a number of features beyond the original Wakka, including a GUI page editor, advanced syntax highlighting and mindmap support. Released under GPL. | |
| WikiWeb, Inc. Commercial Windows-based implementation written in Smalltalk with limits on allowed named users, Access support, and ODBC support with more expensive versions. | |
| Wikitravel A project to create a free, complete, up-to-date and reliable world-wide travel guide in a wiki. | |
| Wikispaces A free wiki host providing community wiki spaces, visual page editing, and discussion areas. | |
| Wikipedia The biggest multilingual free-content encyclopedia on the Internet. Over two million articles and still growing. | |
| Wikini Open source wiki, based on Wakka Wiki, nhanced (XHTML 1.0 and CSS compatibility) and translated into French. | |
| WikiMatrix A tool to compare the features of various popular wiki engines in comfortable side-by-side tables. | |
| wikiHow A collaborative writing project to build the world's largest how-to manual. | |
| Wikicities A collection of freely-hosted wiki communities using the same MediaWiki software that Wikipedia uses. | |
| Wiki Wiki Web FAQ Frequently asked questions about Wikis, how they work, and a history of them. | |
| Wiki Engines Links to dozens of Wiki system types, in many programming languages. | |
| Wikepage Wikepage is an easy to use and small dual-mode wiki engine that can act as wiki sites and personal homepages. | |
