A tool set for CSS including fast detailed parser, walker, generator and lexer based on W3C specs and browser implementations

A tool for creating technical documents and web standards

A browser API to prevent DOM-Based Cross Site Scripting in modern web applications.

360 W3C工作组

Directional focus navigation with arrow keys

An open-source, community-maintained database of Web standards & related references.

The APCA version, to be licensed for use with guidelines: W3/AGWG.

Accessibility conformance testing rules for HTML

Schemarama is a project exploring standards-based validation for structured data, especially Schema.org.

🚀 Low-Tech Web-Components Made Lightweight & Future-Proof.

Validate RDF data purely in JavaScript. An implementation of the W3C SHACL specification on top of the RDFJS stack.

Stylelint plugin to validate CSS syntax

W3C Web Cryptography API for Node.js

Gulp plugin for HTML validation, using the official Nu Html Checker (v.Nu)

OpenCred Verifiable Credentials Platform

A JavaScript client for the W3C API

A format and protocol for decentralized Ledgers on the Web

Change your ng-attributes to data-ng-attributes for html5 validation

Raw JSON data for WAI-ARIA 1.1 roles, attributes (states & properties), and value types

Simple JS library to use the W3C API in a declarative way