TiddlyWiki – a reusable non-linear personal web notebook. A single HTML file wiki that is self-contained, self-saving, and can run from anywhere, including on a USB thumb drive.
I’m loving this. In fact I’ve already relegated Instiki to second fiddle on my iMac at home.
Get it at TiddlyWiki.com, then just save the HTML file to your computer. That is it.
An added bonus, if you are in the Getting Things Done (GTD) crowd, their is a GTD version as well; GTDtiddlywiki.