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.
b2evolution.net
Open source PHP/MySQL content + community management system integrating many features such as: multiple blogs, pages, photo galleries, forums, user directory, private messaging, email subscriptions and newsletters, A/B testing and analytics.