Repositories list

• clreq

  Public
  Requirements for Chinese Text Layout

  i18nw3cchinese

  i18nw3cchinese

  HTML

  •

  Other

  •6363 forks•796796 stars•188188 issues•44 pull requests•Updated Jun 16, 2026Jun 16, 2026

• validate-repos

  Public
  Test whether W3C spec repos match a set of best practices

  JavaScript

  •

  Other

  •1515 forks•2121 stars•1616 issues•99 pull requests•Updated Jun 16, 2026Jun 16, 2026

• threat-model-web

  Public
  A Threat Model for the Web

  Bikeshed

  •

  Other

  •33 forks•66 stars•44 issues•22 pull requests•Updated Jun 15, 2026Jun 15, 2026

• webref

  Public
  Machine-readable references of terms defined in web browser specifications

  cssidlweb-platform+ 1

  cssidlweb-platformdefinitions-data

  JavaScript

  •

  MIT License

  •126126 forks•441441 stars•5252 issues•1010 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wai-website-theme

  Public
  WAI Website Theme

  JavaScript

  •

  Other

  •2525 forks•1010 stars•2222 issues•66 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wai-website

  Public
  This repository hosts the W3C WAI web site.

  accessibilityw3c

  accessibilityw3c

  HTML

  •

  Other

  •1.4k1.4k forks•136136 stars•350350 issues•4848 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wcag

  Public
  Web Content Accessibility Guidelines

  HTML

  •

  Other

  •450450 forks•1.4k1.4k stars•431431 issues•8989 pull requests•Updated Jun 15, 2026Jun 15, 2026

• csswg-wiki

  Public
  CSS Working Group Wiki – community-editable documentation

  csswikiw3c+ 1

  csswikiw3cw3css

  Markdown

  •2121 forks•77 stars•00 issues•11 pull request•Updated Jun 15, 2026Jun 15, 2026

• wai-arrm

  Public
  Accessibility Roles and Responsibilities Mapping (ARRM)

  Ruby

  •2222 forks•1414 stars•1616 issues•11 pull request•Updated Jun 15, 2026Jun 15, 2026

• vc-dpp-bw

  Public
  DPP & Business Wallet Vocabularies TF

  HTML

  •

  Other

  •00 forks•22 stars•11 issue•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• strudy

  Public
  Strudy is an analysis tool for Web spec crawl reports created by Reffy

  JavaScript

  •

  MIT License

  •66 forks•1212 stars•2424 issues•2222 pull requests•Updated Jun 15, 2026Jun 15, 2026

• rqtf

  Public
  Research Questions Task Force deliverables

  HTML

  •

  Other

  •44 forks•33 stars•22 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• aria-practices

  Public
  WAI-ARIA Authoring Practices Guide (APG)

  csshtmlaria

  csshtmlaria

  HTML

  •

  Other

  •477477 forks•1.3k1.3k stars•639639 issues•5858 pull requests•Updated Jun 15, 2026Jun 15, 2026

• css-validator

  Public
  W3C CSS Validation Service

  Java

  •

  Other

  •119119 forks•239239 stars•4444 issues•77 pull requests•Updated Jun 15, 2026Jun 15, 2026

• sparql-query

  Public
  HTML

  •

  Other

  •44 forks•1919 stars•9090 issues•55 pull requests•Updated Jun 15, 2026Jun 15, 2026

• lws-protocol

  Public
  Linked Web Storage Protocol

  HTML

  •

  Other

  •1212 forks•2626 stars•5555 issues•1111 pull requests•Updated Jun 15, 2026Jun 15, 2026

• svgwg

  Public
  SVG Working Group specifications

  HTML

  •

  Other

  •154154 forks•768768 stars•431431 issues•1111 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wai-evaluation-tools-list

  Public
  List of Accessibility Evaluation Tools

  accessibility

  accessibility

  JavaScript

  •1616 forks•1616 stars•1818 issues•106106 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wai-wcag-em

  Public
  JavaScript

  •

  Other

  •55 forks•1212 stars•77 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• epub-specs

  Public
  Shared workspace for EPUB 3 specifications.

  publishingepubdigital-publishing+ 1

  publishingepubdigital-publishingepub-wg

  HTML

  •

  Other

  •6767 forks•379379 stars•5959 issues•55 pull requests•Updated Jun 15, 2026Jun 15, 2026

• rdf-xml

  Public
  HTML

  •

  Other

  •22 forks•99 stars•3131 issues•33 pull requests•Updated Jun 15, 2026Jun 15, 2026

• threat-modeling-guide

  Public
  Bikeshed

  •

  Other

  •44 forks•77 stars•99 issues•55 pull requests•Updated Jun 15, 2026Jun 15, 2026

• csswg-drafts

  Public
  CSS Working Group Editor Drafts

  css

  css

  Bikeshed

  •

  Other

  •794794 forks•4.8k4.8k stars•4.4k4.4k issues•116116 pull requests•Updated Jun 15, 2026Jun 15, 2026

• aria

  Public
  Accessible Rich Internet Applications (WAI-ARIA)

  HTML

  •

  Other

  •150150 forks•746746 stars•416416 issues•5858 pull requests•Updated Jun 15, 2026Jun 15, 2026

• w3c-website-templates-bundle

  Public
  Symfony Bundle containing generic templates for W3C Website

  Twig

  •

  Other

  •1313 forks•8181 stars•00 issues•66 pull requests•Updated Jun 15, 2026Jun 15, 2026

• reffy

  Public
  Reffy is a Web spec crawler and analyzer tool. It is notably used to update Webref

  JavaScript

  •

  MIT License

  •2727 forks•8282 stars•4444 issues•33 pull requests•Updated Jun 15, 2026Jun 15, 2026

• wai-aria-practices

  Public
  WAI Website Resource for aria-practices guidelines

  JavaScript

  •1212 forks•2121 stars•2828 issues•3030 pull requests•Updated Jun 15, 2026Jun 15, 2026

• ecommerce-for-humans-and-AI-Agents-workshop

  Public
  This repo used by ECommerce for humans and AI Agents workshop homepage

  HTML

  •11 fork•44 stars•11 issue•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• das-wg

  Public
  Devices and Sensors Working Group website

  HTML

  •44 forks•44 stars•33 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026

• spec-dashboard

  Public
  Tools to monitor development of specs across groups

  JavaScript

  •1313 forks•3131 stars•77 issues•00 pull requests•Updated Jun 15, 2026Jun 15, 2026