LiveDocx allows developers to generate documents by combining structured data from program code with a template, created in a word processor. The resulting document can be saved as a PDF, DOCX, DOC or RTF file. The concept is the same as with mail-merge.
The tagline of the Times Open blog is "All the news that's fit to printf()", and that clever play on the paper's motto gains more credence with each new API released. In February the Times introduced the Newswire API, which "provides an up-to-the-minute stream of published items" from the paper of record, and the New York State Legislature API for tracking the political maneuverings in Albany.
Wikimapia is a web service that allows users to edit information on a world map in a wiki format. Users of the site can add places, edit them, and get the information previous users have entered. The info there is currently pretty sparse, but the service is rather new. The company also recently released a Wikimapia API that supports getting information from the web service.