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.
grinder.sourceforge.net
A Java load-testing framework. It has support for testing HTTP based services and can also be used to test MOM and POP3, SMTP, FTP, and LDAP applications. [Open Source, BSD-style license]