Here is search logs of 650,000 AOL users. It's very interesting to view search history of particular person and analyze his personality. Let's do it together! Read more about AOL search database scandal or view research papers on web searching.
abbot.sourceforge.net
A framework using simple XML-based scripts to launch a GUI, play back arbitrary user actions on it and examine its state. Includes a script editor which can record user actions. [Open Source, Common Public License]