Kite is a project mainly written in RUBY and JAVASCRIPT, it's free.
An experiment from back in 2007 to make a mobile search site
h3. Kite
Kite is a mobile web search experiment that uses a DSL to define small scrapers, called 'Kites', that can find product information from web pages.
Kite was originally released in March 2007, and has since been discontinued and open sourced.