Apache Solr Solr is an open source enterprise search server based on Lucene search library, with XML/HTTP and JSON APIs. Its major features include powerful full-text search, hit... Free Open Source Mac OS X Windows Linux Microsoft Azure Indexed search Add a feature 14 Like
Sphinx (search engine) Sphinx is a free software search engine designed with indexing database content in mind. It currently supports MySQL, PostgreSQL, and ODBC-compliant databases as data... Free Open Source Mac Windows Linux No features added Add a feature 6 Like
Xapian Xapian is an open source probabilistic information retrieval library, released under the GNU General Public License (GPL). It is a full text search engine library for... Free Open Source Mac OS X Windows Linux BSD No features added Add a feature 4 Like
Cludo Site Search The simple way to create a great search experience for your users and your team. . Commercial Web Customizable Indexed search Support for Themes Add a feature 16 Like
