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.
sputnik.freewisdom.org
Explicit
An extensible wiki written in Lua. It can also be used as a framework for building wiki-like applications. Contains documentation, forums, and a section for hosting user modifications.