Doodle is a tool to quickly search the documents on a computer. Doodle builds an index using meta-data contained in the documents and allows fast searches on the resulting database. Doodle uses libextractor to support obtaining meta-data from various file-formats. The database used by doodle is a suffix tree, resulting in fast lookups. Doodle supports approximate searches. WWW: http://gnunet.org/doodle/