Ramnivas Laddad and Arjen Poutsma discuss the Spring Scala project and its features, demoing a real REST-based application with a Spring and Scala backend and AngularJS frontend.
Brandon Benvie introduces Continuum, what it does, how it works, and why it's useful. Continuum maintains compatibility with all popularly used JS engines in use today (IE8, modern browsers, Node.js).
Narciso Jaramillo demonstrates some of the tools and prototypes that have been built into and on top of Brackets, discusses the Brackets architecture and its extensibility model, and lessons learned building it.
David Pollak presents Lift's design and how the same design decisions were applied to Clojure/ClojureScript/AngularJS. Lift is a web framework with support for server-push.
Alon Zakai discusses asm.js - real-world demos, current limitations, the direction for the future, comparison with other solutions for improving web performance.
Jakub Nesetril presents a practical example of prototyping, developing and testing an application using a structured description of its API.