From Seo Wiki - Search Engine Optimization and Programming Languages
OpenFTS is a free software database search engine based on PostgreSQL. It is distributed under the GNU General Public License. From the OpenFTS Website:
- 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.