JSGI

JSGI, or JavaScript Gateway Interface, is an interface between web servers and JavaScript-based web applications and frameworks. It was inspired by the Rack for Ruby and WSGI for Python and was one of the inspirations of PSGI for Perl.

is a reference implementation of JSGI.

It has been included in and further developed by the CommonJS project.

JSGI packages
All these packages are for Node.JS.

Low level

 * Q-IO: Promise-based I/O, includes JSGI based HTTP server and client
 * jsgi-node: Low level JSGI interface for Node.JS

Framework
These frameworks allow using promises with Q:

The names are inspired by Sinatra.