These came off the topics I read in twiki.org.
http://www.lathi.net/twiki-bin/view/Main/BlosxomAndTWiki : Matt Wilkie writes about how he made blosxom render wiki-formatted information. (This weblog is in perl, and uses standard file formats - that is what most of us like!)
And, http://www.decafbad.com/news_archives/000280.phtml#000280 "TWiki + Automatic MT-Search = WeblogWithWiki" notes.
http://www.decafbad.com/news_archives/000244.phtml#000244: Movable Type plugin for Wiki Formatting and XML-RPC Filtering Pipelines. Came to know that there is a Text::WikiFormat perl module.
http://www.decafbad.com/twiki/bin/view/Main/WeblogWithWiki: Article on Weblog with Wiki concepts.