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.
rockit.sourceforge.net
Ruby O-o Compiler construction toolKIT; easy-to-use, written in and emits Ruby code. Current focus: 'front-end' phases of compiler construction; generates lexer and parser (more advanced than yacc's LaLr(1), grammars in Extended Backus-Naur form.