GeoKit is a Rails plugin providing geocoding, distance-based finders, and distance calculation, and IP geocoding.1/20/08 update: 1.0.1 release: fixes for distance calculation (in-memory and database) when distances are either very small or 0. NOTE: older versions of MySQL/Postgres may not work. See readme for more info. 10/12/07 update: GeoKit is now Rails 2.0 / Edge friendly. 7/22/07 updates: Ge