"Mozilla’s mission is to “build user sovereignty into the fabric of the Internet.”"
— Mitchell Baker, in ExtremeTech article
ShareJS is a CoffeeScript library for building Google Wave -style live collaboration features for web applications. MIT license, in GitHub.
ShareJS launch talk View more presentations from Joseph Gentle
Hook.io is very interesting, a framework that provides an Erlang-like actor model for Node.js. As the framework is quite new, documentation is a bit lacking. Here are some good links: