Ember
Ember is a framework for building ambitious single page web applications. It improves developer productivity by providing a standard application structure and build pipeline.
More work like this at Bocoup
Web Platform Contribution Guide
In an ongoing effort to demysticize the web standards process, we launched our Web Platform Contribution Guide, including skills, growth paths, how-tos, a glossary, and career origin interviews.
APG
A how-to for creating accessible web pages and applications, including a set of accessible interaction design patterns at <a href="https://w3c.github.io/aria-practices/examples">w3c.github.io/aria-practices/examples</a> and guidance for how to use them in your projects.
Scratch
Scratch is a visual programming language and online community of kids learning to program the web. We are core contributors to the new version Scratch working on performance, and a handful of features for the programming language.