A content management tool with an intuitive markup language, unixlike access management, a directory structure and seamless page renaming.

A wiki implementation that uses Microsoft's .NET technology (C# and ASP.NET) and has support for wiki namespaces.

GeboGebo is an open source wiki system based on tdbengine. It is small, easy to set up and administrate and stores all data in a local, indexed database. It can optionally hold all content as static html pages, too.

An IIS/ASP implementation with strong XML support.

Open Source wiki engine, written in C#/XSLT, that supports WYSIWYG editing, file attachments, searching across pages and attachments (including MS Office documents) and a flexible security model.

Uses RDF, RDF Schema, and OWL to create ontologies and manage metadata.

A Japanese WikiClone built using dRuby, ERb, RDtool, MutexM; inspired by Tiki.

A wiki-like Web application running on .NET platforms. It is written in C#, uses ASP.NET features and stores data in SQL databases or flat XML files.

An experimental microcontent WikiWikiWeb built by Jeremy Ruston. It's written in HTML and JavaScript to run on any browser without needing any serverside logic. It allows anyone to create self-contained hypertext documents that can be posted to any web server, or sent by email.

a simple, extensible hypertext system and framework for developing small-scale web applications written in REBOL.

Links to dozens of Wiki system types, in many programming languages.

A tool to compare the features of various popular wiki engines in comfortable side-by-side tables.

Commercial Windows-based implementation written in Smalltalk with limits on allowed named users, Access support, and ODBC support with more expensive versions.

A simple wiki module for Zope, with an issue tracking system (GNU GPL).