Suggestion on remoting (rpc, rmi) for Java SE client-server app?

Question

I'm absolutely in love with the way GWT does RPC. Is there anything similar for Java SE you have experience with that:

1. Is not spring
2. Doesn't require a Java EE/Servlet container to run the server side
3. Is not RMI that comes with Java SE

Answer 1

POJ (Plain Old JSON).