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Orbit is a framework to write distributed systems using virtual actors on the JVM. It allows developers to write highly distributed and scalable applications while greatly simplifying clustering, discovery, networking, state management, actor lifetime and more.

Duke's Choice Award Logo
Orbit received the 2016 Duke's Choice Award for Open Source, read here for more information.

Full Documentation

See the Wiki for full documentation, examples and other information.

Developer & License

This project was developed by Electronic Arts and is licensed under the BSD 3-Clause License.

Simple Example


public interface Hello extends Actor
    Task<String> sayHello(String greeting);

public class HelloActor extends AbstractActor implements Hello
    public Task<String> sayHello(String greeting)
        getLogger().info("Here: " + greeting);
        return Task.fromValue("Hello There");

Actor.getReference(Hello.class, "0").sayHello("Meep Meep");


trait Hello extends Actor 
  def sayHello(greeting: String): Task[String]

class HelloActor extends AbstractActor[AnyRef] with Hello 
  def sayHello(greeting: String): Task[String] = 
  {"Here: " + greeting)
    Task.fromValue("Hello There")

Actor.getReference(classOf[Hello], "0").sayHello("Meep Meep")