I wrote a simple script to store jQuery's API documentation in TiddlyWiki for offline use:
http://fnd.lewcid.org/tmp/jQueryAPI.html

It's fairly primitive at the moment, and I'm aware of the (more exciting) alternatives* - but perhaps someone else can make use of this for some airborne hacking.

More details here:
http://groups.google.com/group/tiddlywikidev/t/4974fa9717f669ab


-- F.


* e.g. http://james.padolsey.com/jquery/ and http://visualjquery.com - plus http://api.jquery.com and the source code itself, of course