The seed for this crawl was a list of every host in the Wayback Machine
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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.
Jack is a reference JSGI implementation.
It has been included in and further developed by the CommonJS project.[1]
All these packages are for Node.JS.
These frameworks allow using promises with Q:[2]
The names are inspired by Sinatra.