similar_projects - andyceo/documentation GitHub Wiki
===== Other Drupal efforts related to SEARCH =====
==== Sphinx based for D5, D6 ====
- http://drupal.org/project/sphinx
- http://drupal.org/project/sphinxsearch
- https://github.com/yhahn/sphinx_views
- https://github.com/yhahn/searchlight (also supports Solr)
==== Mostly interesting for D7 ====
- http://drupal.org/project/search_api based on Entity API
==== Other engines ====