Ichabod is an SMTP/POP3 server, with mailing list support. Administration is via a web, or email
You can also use Ichabod to make your app receive email as an SMTP server.
You can also easily extend it by subclassing to add your own behaviors.
Tasmania is a version and deployment management utility for web-apps. It allows users to manage, configure & deploy multiple versions of a given web-app.