Rereddit is a Node.js Wrapper for the Reddit API. It is authored by Chuck Preslar, and is built around superagent with some extensions to the Request object. It allows for requests to be made, accessing protected content, and returning a user object, with capabilities to be stored within a session and passed back to the module when needed.
So and So is now following you on Twitter. Who? How did they find me? Why might I want to follow back? That's been a common bit of internal dialogue for me lately. Often the answer lies in our mutual friends or followers. Social networks like LinkedIn and Facebook make this easy. Not so with Twitter, which is why I was excited to find Intersect.
Tangler, an online network of discussion forums, recently announced their new API. The Tangler service takes traditional discussion forums to a new level, by allowing anyone to easily set up a discussion forum that can grow to include hundreds of topics and thousands of users.
If you are looking to display social networking statistics on your site, Shared Count just showed up with about the simplest tool you could ask for. Given a URL, the Shared Count API will contact the APIs of Facebook, Twitter, Google Buzz, Digg, Delicious, and StumbleUpon to retrieve their statistics.