Repositories list

• css-validator

  Public
  W3C CSS Validation Service

  Java

  •

  Other

  •116116 forks•237237 stars•4242 issues•77 pull requests•Updated May 9, 2026May 9, 2026

• xslt30-test

  Public
  XSLT

  •1818 forks•2626 stars•99 issues•11 pull request•Updated May 9, 2026May 9, 2026

• wai-authoring-tools-list

  Public
  List of Authoring Tools

  accessibility

  accessibility

  Liquid

  •1212 forks•1212 stars•1919 issues•55 pull requests•Updated May 9, 2026May 9, 2026

• data-shapes

  Public
  Data Shapes WG repo

  HTML

  •

  Other

  •4545 forks•150150 stars•212212 issues•1515 pull requests•Updated May 9, 2026May 9, 2026

• odrl

  Public
  ODRL Community Group Repository

  odrl

  odrl

  HTML

  •

  Other

  •1313 forks•3737 stars•6161 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• webref

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

  cssidlweb-platform+ 1

  cssidlweb-platformdefinitions-data

  JavaScript

  •

  MIT License

  •123123 forks•432432 stars•5252 issues•66 pull requests•Updated May 9, 2026May 9, 2026

• lws-protocol

  Public
  Linked Web Storage Protocol

  HTML

  •

  Other

  •99 forks•2626 stars•5555 issues•1212 pull requests•Updated May 9, 2026May 9, 2026

• spec-dashboard

  Public
  Tools to monitor development of specs across groups

  JavaScript

  •1313 forks•3131 stars•77 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• vc-wg

  Public
  Working home repository of the W3C Verifiable Credentials WG

  vcvc-wg

  vcvc-wg

  HTML

  •

  Other

  •00 forks•44 stars•11 issue•11 pull request•Updated May 9, 2026May 9, 2026

• cg-monitor

  Public
  Dashboard of activity from Community Groups

  JavaScript

  •2424 forks•2020 stars•55 issues•44 pull requests•Updated May 9, 2026May 9, 2026

• ift-client-tests

  Public
  Python

  •

  Other

  •44 forks•33 stars•2424 issues•00 pull requests•Updated May 9, 2026May 9, 2026

• validate-repos

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

  JavaScript

  •

  Other

  •1414 forks•2121 stars•1616 issues•99 pull requests•Updated May 9, 2026May 9, 2026

• wcag

  Public
  Web Content Accessibility Guidelines

  HTML

  •

  Other

  •419419 forks•1.4k1.4k stars•450450 issues•102102 pull requests•Updated May 9, 2026May 9, 2026

• csswg-drafts

  Public
  CSS Working Group Editor Drafts

  css

  css

  Bikeshed

  •

  Other

  •789789 forks•4.8k4.8k stars•4.4k4.4k issues•105105 pull requests•Updated May 8, 2026May 8, 2026

• attribution

  Public
  Attribution API

  apiprivacybrowser+ 2

  apiprivacybrowserwebadvertising

  Bikeshed

  •

  Other

  •7777 forks•101101 stars•3737 issues•33 pull requests•Updated May 8, 2026May 8, 2026

• webidl2.js

  Public
  WebIDL parser

  JavaScript

  •

  MIT License

  •6767 forks•273273 stars•3535 issues•77 pull requests•Updated May 8, 2026May 8, 2026

• browser-specs

  Public
  A machine-readable list of Web specifications

  JavaScript

  •

  Other

  •5454 forks•312312 stars•7777 issues•11 pull request•Updated May 8, 2026May 8, 2026

• reffy

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

  JavaScript

  •

  MIT License

  •2626 forks•8282 stars•4242 issues•33 pull requests•Updated May 8, 2026May 8, 2026

• rdf-trig

  Public
  HTML

  •

  Other

  •22 forks•44 stars•33 issues•11 pull request•Updated May 8, 2026May 8, 2026

• rdf-tests

  Public
  Repository for the RDF Tests Community Group

  HTML

  •

  Other

  •2929 forks•6565 stars•3838 issues•1010 pull requests•Updated May 8, 2026May 8, 2026

• json-ld-syntax

  Public
  JSON-LD 1.1 Specification

  json-ld-wgjson-ld-11

  json-ld-wgjson-ld-11

  HTML

  •

  Other

  •2323 forks•135135 stars•5656 issues•99 pull requests•Updated May 8, 2026May 8, 2026

• json-ld-rc

  Public
  JSON-LD Recommended Context

  json-ld-wgjson-ld-11

  json-ld-wgjson-ld-11

  HTML

  •

  Other

  •55 forks•3838 stars•44 issues•22 pull requests•Updated May 8, 2026May 8, 2026

• wai-resource-template

  Public template
  Ruby

  •99 forks•55 stars•00 issues•22 pull requests•Updated May 8, 2026May 8, 2026

• rdf-n-quads

  Public
  HTML

  •

  Other

  •22 forks•99 stars•22 issues•00 pull requests•Updated May 8, 2026May 8, 2026

• wai-website-theme

  Public
  WAI Website Theme

  JavaScript

  •

  Other

  •2424 forks•1010 stars•2323 issues•55 pull requests•Updated May 8, 2026May 8, 2026

• rdf-n-triples

  Public
  HTML

  •

  Other

  •22 forks•99 stars•11 issue•00 pull requests•Updated May 8, 2026May 8, 2026

• wai-statements

  Public
  Accessibility Statements

  HTML

  •7272 forks•3333 stars•1010 issues•55 pull requests•Updated May 8, 2026May 8, 2026

• wai-website

  Public
  This repository hosts the W3C WAI web site.

  accessibilityw3c

  accessibilityw3c

  HTML

  •

  Other

  •1.4k1.4k forks•127127 stars•350350 issues•5353 pull requests•Updated May 8, 2026May 8, 2026

• rdf-concepts

  Public
  HTML

  •

  Other

  •1010 forks•3232 stars•77 issues•11 pull request•Updated May 8, 2026May 8, 2026

• json-ld-framing

  Public
  JSON-LD 1.1 Framing Specification

  json-ld-wgjson-ld-11

  json-ld-wgjson-ld-11

  HTML

  •

  Other

  •1414 forks•3131 stars•1616 issues•77 pull requests•Updated May 8, 2026May 8, 2026