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.
Open Atrium
Intranet and team portal package based on Drupal. It comes with a blog, a wiki, a calendar, a to do list, a shoutbox, and a dashboard to manage it all.