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.
ant.apache.org
Pure Java build tool, simpler and easier to use than GNU Make. Also it runs many tasks including the javac compiler inside the same VM, so it can compile a large directory tree in seconds. [Open Source, BSD-like]