There's Logo, which is documented on their site [1], but it was an April Fool's Day joke so I don't know if it's officially supported. [1] http://devcenter.her

There's Logo, which is documented on their site [1], but it was an April Fool's Day joke so I don't know if it's officially supported. [1] http://devcenter.heroku.com/articles/logo http://devcenter.heroku.com/articles/logo