TiddlyWiki

There's a great piece of software called TiddlyWiki. It builds an entire (tiddly) wiki into an HTML file. You can save a new file to disc, then open it and start adding posts. The posts get indexed and linked, just like a real wiki, but everything lives in one file.

The overall effect is like the old outlining software that used to exist before it was embraced and extended by Word.

Click here to play with and download a copy.