AppHarbor is still in the running, we've posted an update here: <a href="https://appharbor.com/page/appharbor-status-update" rel="nofollow">https://appharbor.com/page/appharbor-status-update</a>
This is a bit of an odd story, they're still tweeting as recently as 15 hours ago: <a href="https://twitter.com/appharbor" rel="nofollow">https://twitter.com/appharbor</a> and blogging as recently as yesterday: <a href="http://blog.appharbor.com/2012/10/31/repository-pattern-and-convention-based-entity-framework-code-first" rel="nofollow">http://blog.appharbor.com/2012/10/31/repository-pattern-and-...</a>