Repositories list

• aria

  Public

  w3c/aria’s past year of commit activity
  Accessible Rich Internet Applications (WAI-ARIA)

  HTML

  •

  Other

  •143143 forks•740740 stars•409409 issues•5959 pull requests•Updated Apr 20, 2026Apr 20, 2026

• wcag-act-rules

  Public

  w3c/wcag-act-rules’s past year of commit activity
  WCAG Conformance Test Rules

  HTML

  •

  Other

  •1616 forks•3030 stars•3535 issues•33 pull requests•Updated Apr 20, 2026Apr 20, 2026

• ift-encoder

  Public

  w3c/ift-encoder’s past year of commit activity
  A web fonts IFT encoder implementation

  C++

  •

  Other

  •66 forks•1010 stars•77 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• i18n-drafts

  Public

  w3c/i18n-drafts’s past year of commit activity
  A place to edit articles, tutorials, and the like for the /International subtree of the W3C site. Also, captures issues and comments.

  i18nunicodew3c

  i18nunicodew3c

  HTML

  •7171 forks•7676 stars•119119 issues•4343 pull requests•Updated Apr 20, 2026Apr 20, 2026

• imsc-tests

  Public

  w3c/imsc-tests’s past year of commit activity
  IMSC test suites

  Other

  •44 forks•1616 stars•88 issues•66 pull requests•Updated Apr 20, 2026Apr 20, 2026

• rdf-turtle

  Public

  w3c/rdf-turtle’s past year of commit activity
  HTML

  •

  Other

  •77 forks•1919 stars•66 issues•22 pull requests•Updated Apr 20, 2026Apr 20, 2026

• wcag2ict

  Public

  w3c/wcag2ict’s past year of commit activity
  WCAG2ICT deliverable of Accessibility Guidelines WG

  JavaScript

  •

  Other

  •88 forks•4141 stars•7878 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• lws-protocol

  Public

  w3c/lws-protocol’s past year of commit activity
  Linked Web Storage Protocol

  HTML

  •

  Other

  •99 forks•2424 stars•4343 issues•1010 pull requests•Updated Apr 20, 2026Apr 20, 2026

• webauthn

  Public

  w3c/webauthn’s past year of commit activity
  Web Authentication: An API for accessing Public Key Credentials

  webauthn

  webauthn

  HTML

  •

  Other

  •271271 forks•1.4k1.4k stars•7676 issues•1212 pull requests•Updated Apr 20, 2026Apr 20, 2026

• patwg

  Public

  w3c/patwg’s past year of commit activity
  Private Advertising Technology Working Group

  Other

  •22 forks•88 stars•55 issues•11 pull request•Updated Apr 20, 2026Apr 20, 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

  •121121 forks•428428 stars•5151 issues•88 pull requests•Updated Apr 20, 2026Apr 20, 2026

• css-validator

  Public

  w3c/css-validator’s past year of commit activity
  W3C CSS Validation Service

  Java

  •

  Other

  •116116 forks•235235 stars•4747 issues•77 pull requests•Updated Apr 20, 2026Apr 20, 2026

• reffy

  Public

  w3c/reffy’s past year of commit activity
  Reffy is a Web spec crawler and analyzer tool. It is notably used to update Webref

  JavaScript

  •

  MIT License

  •2525 forks•8181 stars•4242 issues•77 pull requests•Updated Apr 20, 2026Apr 20, 2026

• browser-specs

  Public

  w3c/browser-specs’s past year of commit activity
  A machine-readable list of Web specifications

  JavaScript

  •

  Other

  •5454 forks•307307 stars•8282 issues•66 pull requests•Updated Apr 20, 2026Apr 20, 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 20, 2026Apr 20, 2026

• cogai

  Public

  w3c/cogai’s past year of commit activity
  for work by the Cognitive AI community group

  HTML

  •

  Other

  •2626 forks•7474 stars•2828 issues•33 pull requests•Updated Apr 20, 2026Apr 20, 2026

• resource-timing

  Public

  w3c/resource-timing’s past year of commit activity
  Resource Timing

  performancewebweb-application+ 4

  performancewebweb-applicationperformance-metricsspecificationwebappresource-measurement

  Bikeshed

  •

  Other

  •3939 forks•135135 stars•4949 issues•66 pull requests•Updated Apr 20, 2026Apr 20, 2026

• rdf-primer

  Public

  w3c/rdf-primer’s past year of commit activity
  HTML

  •

  Other

  •22 forks•55 stars•1010 issues•22 pull requests•Updated Apr 20, 2026Apr 20, 2026

• rdf-tests

  Public

  w3c/rdf-tests’s past year of commit activity
  Repository for the RDF Tests Community Group

  HTML

  •

  Other

  •2828 forks•6464 stars•3838 issues•1010 pull requests•Updated Apr 20, 2026Apr 20, 2026

• spec-dashboard

  Public

  w3c/spec-dashboard’s past year of commit activity
  Tools to monitor development of specs across groups

  JavaScript

  •1313 forks•3030 stars•77 issues•00 pull requests•Updated Apr 20, 2026Apr 20, 2026

• data-shapes

  Public

  w3c/data-shapes’s past year of commit activity
  Data Shapes WG repo

  HTML

  •

  Other

  •4545 forks•148148 stars•212212 issues•1717 pull requests•Updated Apr 20, 2026Apr 20, 2026

• wai-website-theme

  Public

  w3c/wai-website-theme’s past year of commit activity
  WAI Website Theme

  JavaScript

  •

  Other

  •2424 forks•99 stars•2222 issues•55 pull requests•Updated Apr 20, 2026Apr 20, 2026

• translation-management

  Public

  w3c/translation-management’s past year of commit activity
  Workflow to manage volunteer translations of W3C documents

  JavaScript

  •2525 forks•4545 stars•1515 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• cg-monitor

  Public

  w3c/cg-monitor’s past year of commit activity
  Dashboard of activity from Community Groups

  JavaScript

  •2424 forks•1919 stars•55 issues•44 pull requests•Updated Apr 20, 2026Apr 20, 2026

• csswg-drafts

  Public

  w3c/csswg-drafts’s past year of commit activity
  CSS Working Group Editor Drafts

  css

  css

  Bikeshed

  •

  Other

  •787787 forks•4.8k4.8k stars•4.3k4.3k issues•120120 pull requests•Updated Apr 20, 2026Apr 20, 2026

• wai-aria-practices

  Public

  w3c/wai-aria-practices’s past year of commit activity
  WAI Website Resource for aria-practices guidelines

  JavaScript

  •1313 forks•2020 stars•2828 issues•3232 pull requests•Updated Apr 20, 2026Apr 20, 2026

• aria-practices

  Public

  w3c/aria-practices’s past year of commit activity
  WAI-ARIA Authoring Practices Guide (APG)

  csshtmlaria

  csshtmlaria

  HTML

  •

  Other

  •464464 forks•1.3k1.3k stars•638638 issues•6161 pull requests•Updated Apr 20, 2026Apr 20, 2026

• validate-repos

  Public

  w3c/validate-repos’s past year of commit activity
  Test whether W3C spec repos match a set of best practices

  JavaScript

  •

  Other

  •1414 forks•2121 stars•1616 issues•99 pull requests•Updated Apr 20, 2026Apr 20, 2026

• cg-spec-metadata

  Public

  w3c/cg-spec-metadata’s past year of commit activity
  A project to collect metadata on CG specifications

  JavaScript

  •00 forks•00 stars•00 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026

• echidna

  Public

  w3c/echidna’s past year of commit activity
  New publication workflow at W3C — main component

  checkerw3cvalidator+ 4

  checkerw3cvalidatorspecspecificationstandardpublication

  HTML

  •

  MIT License

  •3737 forks•4444 stars•5050 issues•11 pull request•Updated Apr 20, 2026Apr 20, 2026