[up-n-atom]

A few that I've come around and evaluated are

https://wiki.strongswan.org/projects/strongswan/wiki/Libfast + http://www.clearsilver.net/

http://appwebserver.org/products/appweb/server-side-javascri...

http://duda.io/

http://luci.subsignal.org/

[edsiper2]

i would be interested into your evaluation of Duda I/O, let me know your comments.