The Web Standards section focuses on projects to advance standards and implement features directly in WebKit, like CSS Regions or CSS Shaders. Here you can learn more about each feature, access custom builds and samples as well as be informed of new standards we are tackling.
The Open Source section focuses on those open projects Adobe is spearheading and contributing to like Apache Cordova or jQuery Mobile. Learn how to use your existing skills to join us in contributing to open source projects that make a difference.
The Tools & Services section focuses on making your day-to-day life on the web easier with tools and services. It is here you can learn more about what Adobe is offering to help you design, produce, code, test and publish awesome content.
So with that, spend some time perusing Adobe & HTML, find what piques your interest and get involved!