The DotNetWikiBot Framework was developed so that it can offer a helping hand with many complicated and routine tasks of wiki site development and maintenance. DotNetWikiBot Framework is a cross-platform full-featured client API, that allows you to build programs and web robots easily to manage information on MediaWiki-powered sites. DotNetWikiBot Framework can also be used for learning C# and .NET.
Emacs extension for interacting with Atlassian Confluence
Atlassian (http://www.atlassian.com/) has a wiki called Confluence (http://www.atlassian.com/software/confluence/). This Emacs extension allows you to interact with Confluence from Emacs.
Wikiexe is a simple, easy to use, light desktop wiki. It's designed to use MediaWiki skin, syntax (small subset) and xml export format. Current version runs only on Windows XP (not Vista or 7). To export page into MediaWiki xml format, drag and drop page title into explorer folder.
JETERS is a java toolkit for automated and semi-automated corrections and modifications of texts, especially of articles in wikis. Custom functionality can easily be implemented due to modular design.