jReddit is a Java Wrapper for the Reddit API. It is being further developed and maintained by Karan Goel. With jReddit users can do such things as retrieve user information, submit new links, vote/comment on submissions, and send and receive messages and notifications.
I'vRead is a service for keeping track of what books you've read. Seems simple, but it can be rather useful for those of us obsessed with reading like myself. Its web site offers the service for free, and using it is already pretty simple. There isn't even another account to register for. All a user needs to do is add a specific tag, @ivread, to a Twitter post mentioning the book. It allows for some basic searches of the data on their website, but the I'vRead API is where the service really shines.
A look at the new U.S. General Servisces Administration's Digital Registry API which compiles all 6,000+ social media accounts managed by U.S. Government agencies, and a look at six ways external developers can make use of the API to build innovative products and create new analytics services.1