Solr Flare
Flare promises to expose the power of Solr through a Rails-based user interface. Integral to Flare will be a general purpose faceted browsing, auto-suggest, folksonomy tagging/annotating, smart folders, Atom support, and much more. Flare communicates with Solr via the solr-ruby Solr-Ruby DSL (domain specific language). More details at the following pages: