I think it would be interesting to try <a href="http:&#x2F;&#x2F;docs.paralleluniverse.co&#x2F;quasar&#x2F;" rel="nofollow">http:&#x2F;&#x2F;docs.paralleluniverse.co&#x2F;quasar&#x2F;</a> too (fibers, and actors on top, for the JVM).