Apollo Federation is now available as an open source architecture for building a distributed graph. Based solely on GraphQL, Apollo Federation allows organizations to query an entire organization's data with a single GraphQL query, without using monolithic architecture. Goodbye, schema stitching.
The non-profit built for "opening America's government" has created an app to show off its Congressional data, as well as its API (our Sunlight Labs API profile). You can't get this app on the web, though, as it's available exclusively for the Android phone platform.