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.
www.redmine.org
A flexible project management web application which includes a gantt chart, calendar, wiki, forums, multiple roles, and email notification. Information on the project, a demo, download information, and forums are provided. (Ruby)