Welcome to Solr

Solr is an open source search server based on the Lucene Java search library. It's normally run as a webapp in a servlet container such as Tomcat.

17 January 2006: Solr Joins Apache Incubator

Solr, a search server based on Lucene, has been accepted into the Apache Incubator. Solr was originally developed by CNET Networks, and is widely used within CNET to provide high relevancy search and faceted browsing capabilities.