apache enviroment for search engine integration for different websites with apache sorl.
its a saas apache sorl intergration. and out of the box supports drupal.
with facet api and facets results.
ready made to host any drupal installation . its an alternative of aqua hosting service for apache sorl ( http://www.acquia.com/products-services/acquia-search)
there is no front end for using this application and its usufull only if you are a developer and need to use apache sorl for your drupal site.