Last week I checked out TiddlyWiki as it has been mentioned several times on JoS forums recently.

I’m impressed. It so useful and easy to use that I’m using it as the main way to communicate my progress on a custom development project I’m working on.

It’s basically a self-contained wiki. Just one html file. No setup required, no server side configuration, nothing. It looks like an AJAX app but it is not; it’s just JavaScript.

I showed it to my wife and she has become addicted to it. She is using it and sharing it with her office mates.

Nice piece of software.