Tinderbox TiddlyWiki
TiddlyWiki is a clever one-file wiki that runs right in a Web browser. You don't need to install software, or even have a Web server.
New in the Tinderbox Public File Exchange: Tinderbox TiddlyWiki lets you write in Tinderbox and export your notes to your own, custom TiddlyWiki.
Update: the download link is fixed now. Sorry!