Schema.org - schemas and supporting software

Test suites for Web platform specs — including WHATWG, W3C, and others

Shower HTML presentation engine

A lightweight, easy-to-use jQuery plugin for fluid width video embeds.

Deliverables of the HTML Working Group until October 2018

Helps you easily create GitHub-style buttons and toolbars using links, buttons, and inputs.

Beautiful CSS drop caps made easy

Digitization of the Garamond shown on the Egenolff-Berner specimen

The PubSubHubbub protocol specification.

Linked Data API for JavaScript

E2guardian is a web content filter that can work in proxy, transparent or icap server modes

Website source code for w3id.org.

Schema.org in RDF

Web Annotation Working Group repository, see README for links to specs

Open Definition source

A Jekyll quick start to getting up and going with the IndieWeb

Highly performant, lightweight framework for linked data processing. Supports RDFa, JSON-LD, RDF/XML and plain text formats, runs on Android and GAE, provides integration with Jena, Sesame and Cler…