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.
kig
Kig is a free an open source interactive geometry software, which is part of the KDE edutainment project. It has some facilities for scripting in Python, as well as the creating macros from existing constructions.