The MAPS.ME iOS API allows developers to integrate offline maps into their iOS applications written in Objective-C. MAPS.ME's maps cover all cities in all countries. These maps are highly detailed and zoom in and out smoothly.
Last week saw a wave of developments in the opening of government data, coinciding with the Personal Democracy Forum in New York. The new CIO of the country, Vivek Kundra, announced a site called the IT Dashboard that shows government spending on IT contracts for many federal agencies, and includes detail on the progress and performance of those contracts.
Uberblic is another instance of what may become a trend in the world with thousands of APIs: the Meta-API. The Uberblic Doppleganger API is currently in beta, but it is quite ambitious in that it looks to position itself as a API cross-reference or mutli-plexer. Submit an ID from one API to the Doppleganger, get 4-5 IDs for matching content from other APIs.