 <p>Twitter itself is running on Rails, and it has a <a href="https://dev.twitter.com/docs/api" rel="nofollow">REST API</a>. You could easily write your own solution with <a href="http://api.rubyonrails.org/classes/ActiveResource/Base.html" rel="nofollow">ActiveResource</a></p> <p>You can get started with the <a href="http://railscasts.com/?tag_id=19" rel="nofollow">ActiveResource videos on Railscasts</a></p>