Mirage: A New Multi-Scale Operating System for Clouds and Crowds (tech talk) (sna-projects.com)

There is another similar project under development using the Go language, but with a similar goal of creating a framework in which you can create applications that are compiled directly into a light-weight OS that can run directly on a Hypervisor. The escapes name me now.

This is a very interesting concept that could change the landscape for dev and deployment of applications.