An extensible wiki engine written in REBOL, with weblog features and a streamlined interface.

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

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.

A Semantic WikiWikiWeb that uses RDF to manage metadata and ontologies.

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.

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

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

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.

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.

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