Avout brings Clojure's in-memory model of state to distributed application development by providing a distributed implementation of Clojure's Multiversion Concurrency Control (MVCC) STM along with distributable, durable, and extendable versions of Clojure's Atom and Ref concurrency primitives. Download on GitHub The Avout equivalent of Hello World. (use 'avout.core) (def client (connect "127.0.0.1