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.
ws.apache.org
Implementation of the SOAP protocol - a lightweight protocol for exchanging information, based on XML. HTTP and SMTP (i.e. email) transmission are both supported. [Open Source, BSD-like]