Sorunun b.ku çıkacak ama böyle güzel bir projeyi de harcamak olmaz:
WHAT is OpenFTS?
OpenFTS (Open Source Full Text Search engine) is an advanced
PostgreSQL-based search engine that provides online indexing
of data and relevance ranking for database searching. Close
integration with database allows use of metadata to restrict
search results.
[http://openfts.sourceforge.net/]
Hani olur ya, listede tek deli ben değilimdir.