Yahoo! has publicly launched two new (previously internal) libraries
ajax and yahoo powered searching
This project allows for flexible auto tagging of your content types via a pluggable interface that makes use of 3rd party services to provide the tag context.
experimentelle yahoo suche, die microformats berücksichtigt
yahoos bastard aus linkput.com und del.icio.us
SquiggleSR is a Firefox plug-in which generates personalized queries to search engines to confuse search engines and protect user’s privacy. User favorites RSS flows and search engine statistics are used to create coherent and news related queries.