TiddlyWiki now supports Creole 0.1 with a plugin (Creole image format not yet supported). See:

http://martinswiki.com/prereleases.html

Lead developer is [MartinBudden].

TiddlyWiki home page is: http://www.tiddlywiki.com/

TiddlyWiki project page (with source code repository, ticket tracking system etc) is http://trac.tiddlywiki.org/tiddlywiki.

TiddlyWiki ticket for Creole plugin:
http://trac.tiddlywiki.org/tiddlywiki/ticket/165