bg.solr is a Solr web-frontend integrated with Plone 3/4 for querying a Solr instance filled with content from bg.crawler.
You can use the buildout configuration from
https://raw.github.com/zopyx/bg.crawler/master/solr-3.4.cfg
as an example how to setup a Solr instance for using bg.crawler.
bg.solr is published under the GNU Public Licence V2 (GPL 2)
bg.solr is sponsored by BG Phoenics