Temboo is a application platform that is for iOS applications that connect to over 100 web-based resources and services (e.g. Facebook, Dropbox, US Census data) by standardizing how developers interact with APIs. The SDK requires iOS 7 and Xcode 5 and guides developers through a basic way to use their SDK and has an extensive library.
The Library of Congress announced the successor to Thomas.gov (the current site to access congressional information). Congress.gov will eventually provide access to the same information as Thomas.gov, and more; however, Congress.gov provides easier access to the data via a series of APIs.