For the past few weeks we have been working on a module called Aegir Network.
Aegir Network allows Aegir servers to communicate with each other. This means you can centralize information from different servers, and run tasks on remote sites and... (+)
Aegir already saves you a lot of manual labor for Drupal site management, but you still have to deploy new codebases. This is where Ansible and Jenkins can really come in handy!
Aegir is particularly well suited to creating Drupal software-as-a-service services, since you can install it yourself on your own server and manage it independently. This article shows you how to do that.
Developped by Chocolate Lily, OpenOutreach is a Drupal distribution primarly aimed for non-profits.
Here's how I got a few Aegir 2 VM running with Drush Vagrant. You'll need specific branches of some drush extensions (see below).
I can no longer imagine using Aegir regularly without the Hosting Queue Daemon.
