P.S. Functionn contains a whole lot more of awesome resouces like UltraREPL. There only a fraction of them I can post here at a time. Take a look if you're interested, and subscribe:
This looks really promising but seems very buggy here (Archlinux, node 0.8.14).
First getting an error, which made me have to modify the bin/ultra-repl to even get it to launch, and then I get errors about missing modules.. I might be doing it wrong :)
P.S. Functionn contains a whole lot more of awesome resouces like UltraREPL. There only a fraction of them I can post here at a time. Take a look if you're interested, and subscribe:
http://functionn.blogspot.com