Meteor(.js)

Meteor:
"Meteor is an open-source platform for building top-quality web apps in a fraction of the time, whether you're an expert developer or just getting started."

JavaScript on both client (web browser) and server (node.js + syncro api ?!)
"proxy db APIs" (MongoDB API used by default)
packaging code

Meteor - Web Development Like You Never Seen @ InfoQ

I think the name "Meteor" is evolution of "Comet" technique
for keeping connection with web server, compared to Ajax
that is connecting with server on demand.

An Extremely Gentle Introduction to Meteor

The (Odd) State of Node.js and its Frameworks | Andrew Munsell
(comparison of Meteor, Derby.js, Express...)

Open-source Meteor takes a huge $11.2M first round funding; will Andreessen Horowitz get the cash back? | VentureBeat | News | by J. O'Dell