Narya

Narya is a free and open-source library that provides a framework for building realtime distributed systems.

Narya focuses especially on creating MMO (massively multiplayer online) gamesand includes several packages:
· the presents - distributed object and remote procedure call framework
· the crowd - foundation for a multiplayer environment
· admin - provides administrative functionality
· bureau  - framework for managing a network of code execution servers

Detailed instructions on how to install and use the Narya utility on your Mac are available HERE.