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.
darcs.net
Utility based on the author's "theory of patches" in which they are likened to operators in quantum mechanics. Additionally, every copy of the source is a full repository. Written in Haskell and released under the GNU GPL.