I'm pretty sure the core of it is to be written in Clojure, so yes, you'll need ...

Rayne on May 23, 2012 | parent | context | favorite | on: The future is specific

I'm pretty sure the core of it is to be written in Clojure, so yes, you'll need the JVM running. It is necessary if it is to be written in a JVM language. Eclipse and a number of other IDEs also require a JVM to be running.