 Biblio.com provided Bookhound inventory management program for free to its sellers from June 2008 to December 2012.An updated version of Bookhound is still available for sale through Bibliopolis.Starting in 2008 Biblio.com launched a complete overhaul of both their site and booksearch technology, based on the Solr search engine (Solr is a subproject of the Apache HTTP Server Lucene project).