title: Rails geocoding gems
body: <p>I've used GeoKit and acts_as_geocodable in the past. I like GeoKit, but its missing nicer features like named_scopes.  I'm not a huge fan of acts_as_geocodable because it duplicates address data into its own table.</p>
  
  <p>Lately, these gems seem under-maintained.</p>
  
  <p>What are some actively maintained gems out there?</p>