Repositories list

• ift-encoder

  Public
  A web fonts IFT encoder implementation

  C++

  •

  Other

  •66 forks•1010 stars•77 issues•11 pull request•Updated Apr 27, 2026Apr 27, 2026

• csswg-drafts

  Public
  CSS Working Group Editor Drafts

  css

  css

  Bikeshed

  •

  Other

  •788788 forks•4.8k4.8k stars•4.3k4.3k issues•121121 pull requests•Updated Apr 27, 2026Apr 27, 2026

• odrl

  Public
  ODRL Community Group Repository

  odrl

  odrl

  HTML

  •

  Other

  •1313 forks•3636 stars•6363 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• guide

  Public

  w3c/guide’s past year of commit activity
  The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.

  HTML

  •6565 forks•7171 stars•5757 issues•77 pull requests•Updated Apr 27, 2026Apr 27, 2026

• rdf-concepts

  Public
  HTML

  •

  Other

  •1010 forks•3131 stars•77 issues•11 pull request•Updated Apr 27, 2026Apr 27, 2026

• specberus

  Public
  Checker used at W3C to validate the compliance of Technical Reports with publication rules

  JavaScript

  •

  MIT License

  •5757 forks•8989 stars•4646 issues•66 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wcag

  Public

  w3c/wcag’s past year of commit activity
  Web Content Accessibility Guidelines

  HTML

  •

  Other

  •410410 forks•1.4k1.4k stars•447447 issues•9898 pull requests•Updated Apr 27, 2026Apr 27, 2026

• webref

  Public

  w3c/webref’s past year of commit activity
  Machine-readable references of terms defined in web browser specifications

  cssidlweb-platform+ 1

  cssidlweb-platformdefinitions-data

  JavaScript

  •

  MIT License

  •122122 forks•428428 stars•5151 issues•1010 pull requests•Updated Apr 27, 2026Apr 27, 2026

• strategy

  Public
  team-strat, on GitHub, working in public.

  5252 forks•178178 stars•103103 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• horizontal-issue-tracker

  Public

  w3c/horizontal-issue-tracker’s past year of commit activity
  Tools and pages to track horizontal issues

  MIT License

  •1010 forks•1212 stars•1717 issues•11 pull request•Updated Apr 27, 2026Apr 27, 2026

• securityig

  Public
  Security Interest Group

  Other

  •22 forks•66 stars•88 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• groups

  Public

  w3c/groups’s past year of commit activity
  Complement to https://www.w3.org/groups/

  JavaScript

  •

  MIT License

  •44 forks•1010 stars•11 issue•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• lws-protocol

  Public
  Linked Web Storage Protocol

  HTML

  •

  Other

  •99 forks•2424 stars•4949 issues•1212 pull requests•Updated Apr 27, 2026Apr 27, 2026

• css-validator

  Public
  W3C CSS Validation Service

  Java

  •

  Other

  •116116 forks•235235 stars•4545 issues•77 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wcag3

  Public
  WCAG 3

  Astro

  •

  Other

  •3434 forks•143143 stars•373373 issues•99 pull requests•Updated Apr 27, 2026Apr 27, 2026

• vc-dpp-bw

  Public
  DPP & Business Wallet Vocabularies TF

  HTML

  •

  Other

  •00 forks•00 stars•00 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• charter-drafts

  Public
  Draft W3C WG and CG charters for public review

  HTML

  •7676 forks•7070 stars•1717 issues•77 pull requests•Updated Apr 27, 2026Apr 27, 2026

• rdf-turtle

  Public
  HTML

  •

  Other

  •77 forks•1919 stars•77 issues•11 pull request•Updated Apr 27, 2026Apr 27, 2026

• browser-specs

  Public
  A machine-readable list of Web specifications

  JavaScript

  •

  Other

  •5454 forks•309309 stars•7979 issues•44 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wcag-act-rules

  Public
  WCAG Conformance Test Rules

  HTML

  •

  Other

  •1717 forks•3131 stars•3535 issues•22 pull requests•Updated Apr 27, 2026Apr 27, 2026

• reffy

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

  JavaScript

  •

  MIT License

  •2626 forks•8181 stars•4242 issues•99 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wot

  Public
  Web of Things

  HTML

  •135135 forks•231231 stars•2727 issues•77 pull requests•Updated Apr 27, 2026Apr 27, 2026

• data-shapes

  Public
  Data Shapes WG repo

  HTML

  •

  Other

  •4545 forks•150150 stars•211211 issues•1818 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wai-evaluation-tools-list

  Public
  List of Accessibility Evaluation Tools

  accessibility

  accessibility

  JavaScript

  •1515 forks•1313 stars•1818 issues•8080 pull requests•Updated Apr 27, 2026Apr 27, 2026

• threat-model-web

  Public
  A Threat Model for the Web

  Bikeshed

  •

  Other

  •33 forks•33 stars•44 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• webcodecs

  Public
  WebCodecs is a flexible web API for encoding and decoding audio and video.

  HTML

  •

  Other

  •178178 forks•1.2k1.2k stars•137137 issues•88 pull requests•Updated Apr 27, 2026Apr 27, 2026

• cogai

  Public
  for work by the Cognitive AI community group

  HTML

  •

  Other

  •2727 forks•7676 stars•2828 issues•33 pull requests•Updated Apr 27, 2026Apr 27, 2026

• echidna

  Public
  New publication workflow at W3C — main component

  checkerw3cvalidator+ 4

  checkerw3cvalidatorspecspecificationstandardpublication

  HTML

  •

  MIT License

  •3737 forks•4444 stars•5050 issues•00 pull requests•Updated Apr 27, 2026Apr 27, 2026

• strudy

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

  JavaScript

  •

  MIT License

  •66 forks•1111 stars•2424 issues•1616 pull requests•Updated Apr 27, 2026Apr 27, 2026

• wai-website

  Public
  This repository hosts the W3C WAI web site.

  accessibilityw3c

  accessibilityw3c

  HTML

  •

  Other

  •1.4k1.4k forks•124124 stars•348348 issues•5151 pull requests•Updated Apr 27, 2026Apr 27, 2026