The Routific Ruby Library by Routific allows developers to integrate the Routific API into their Ruby applications. Usage examples are included in the documentation.
A little over a month off of its pricing structure changes, location database-as-a-service company SimpleGeo has updated its SimpleGeo Places API with more data based on an earlier partnership with Factual. In addition to new data, there are new ways to access it, as well as some changes to the structure of the data returned, so if you've already built on the API you will want to take note.
