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.
carmen.sourceforge.net
CARMEN is modular, Open Source C software designed to provide basic navigation primatives including: base and sensor control, obstacle avoidance, localization, path planning, people-tracking, and mapping. Licensed under the GNU GPL.