Repositories list

• charter-drafts

  Public
  Draft W3C WG and CG charters for public review

  HTML

  •73•73•14•5•Updated Jan 15, 2026Jan 15, 2026

• wai-evaluation-tools-list

  Public
  List of Accessibility Evaluation Tools

  accessibility

  JavaScript

  •11•10•19•41•Updated Jan 15, 2026Jan 15, 2026

• webtransport

  Public
  WebTransport is a web API for flexible data transport

  Bikeshed

  •

  Other

  •55•951•25•4•Updated Jan 15, 2026Jan 15, 2026

• webcodecs

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

  HTML

  •

  Other

  •168•1.2k•133•10•Updated Jan 15, 2026Jan 15, 2026

• rdf-concepts

  Public

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

  •

  Other

  •9•27•7•2•Updated Jan 15, 2026Jan 15, 2026

• data-shapes

  Public
  Data Shapes WG repo

  HTML

  •

  Other

  •41•139•196•15•Updated Jan 15, 2026Jan 15, 2026

• aria

  Public

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

  HTML

  •

  Other

  •141•738•449•70•Updated Jan 15, 2026Jan 15, 2026

• groups

  Public
  Complement to https://www.w3.org/groups/

  JavaScript

  •

  MIT License

  •3•9•2•0•Updated Jan 15, 2026Jan 15, 2026

• sdw-sosa-ssn

  Public

  w3c/sdw-sosa-ssn’s past year of commit activity
  Repository of the Spatial Data on the Web Working Group for the SOSA/SSN vocabulary

  HTML

  •9•15•16•6•Updated Jan 15, 2026Jan 15, 2026

• translation-management

  Public
  Workflow to manage volunteer translations of W3C documents

  JavaScript

  •25•41•15•1•Updated Jan 15, 2026Jan 15, 2026

• tpac-breakouts

  Public

  w3c/tpac-breakouts’s past year of commit activity
  Documentation and Management of TPAC plenary day breakouts

  JavaScript

  •

  Other

  •7•9•33•0•Updated Jan 15, 2026Jan 15, 2026

• spec-dashboard

  Public
  Tools to monitor development of specs across groups

  JavaScript

  •11•28•7•0•Updated Jan 15, 2026Jan 15, 2026

• onboarding

  Public

  w3c/onboarding’s past year of commit activity
  A tool to send the facility map to newcomers in a group

  JavaScript

  •

  MIT License

  •13•6•0•0•Updated Jan 15, 2026Jan 15, 2026

• clreq

  Public
  Requirements for Chinese Text Layout

  i18nw3cchinese

  HTML

  •

  Other

  •64•785•178•3•Updated Jan 15, 2026Jan 15, 2026

• mathml

  Public
  MathML4 editors draft

  HTML

  •

  Other

  •19•73•38•3•Updated Jan 15, 2026Jan 15, 2026

• cg-monitor

  Public

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

  JavaScript

  •24•19•5•3•Updated Jan 15, 2026Jan 15, 2026

• attribution

  Public

  w3c/attribution’s past year of commit activity
  Attribution API

  apiprivacybrowser+ 2webadvertising

  Bikeshed

  •

  Other

  •58•75•34•7•Updated Jan 15, 2026Jan 15, 2026

• webref

  Public

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

  cssidlweb-platform+ 1definitions-data

  JavaScript

  •

  MIT License

  •116•397•52•2•Updated Jan 15, 2026Jan 15, 2026

• wcag

  Public

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

  HTML

  •

  Other

  •342•1.4k•480•114•Updated Jan 15, 2026Jan 15, 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

  •14•21•14•10•Updated Jan 15, 2026Jan 15, 2026

• csswg-drafts

  Public

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

  css

  Bikeshed

  •

  Other

  •766•4.8k•4.2k•125•Updated Jan 14, 2026Jan 14, 2026

• vc-di-ecdsa-test-suite

  Public

  w3c/vc-di-ecdsa-test-suite’s past year of commit activity
  Interoperability Test Suite for Data Integrity Ecdsa Signatures.

  w3cstandardvc-wg

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •7•6•5•1•Updated Jan 14, 2026Jan 14, 2026

• spec-generator

  Public

  w3c/spec-generator’s past year of commit activity
  Service to automatically generate specs from various source formats

  TypeScript

  •

  MIT License

  •7•27•7•1•Updated Jan 14, 2026Jan 14, 2026

• vc-di-eddsa-test-suite

  Public

  w3c/vc-di-eddsa-test-suite’s past year of commit activity
  Interoperability Test Suite for Data Integrity Eddsa 2022 Signatures.

  w3cstandardvc-wg

  JavaScript

  •

  BSD 3-Clause "New" or "Revised" License

  •6•2•7•0•Updated Jan 14, 2026Jan 14, 2026

• vc-data-model-2.0-test-suite

  Public
  W3C Verifiable Credentials v2.0 test suite

  w3cstandardvc-wg

  JavaScript

  •

  Other

  •19•21•17•4•Updated Jan 14, 2026Jan 14, 2026

• vc-bitstring-status-list-test-suite

  Public
  Bitstring Status List test suite

  JavaScript

  •6•5•1•1•Updated Jan 14, 2026Jan 14, 2026

• a11y-discov-vocab

  Public
  Repository for the maintenance of the schema.org accessibility property values for discoverability.

  accessibilitya11yvocabulary+ 2publishingontology

  HTML

  •

  Other

  •13•26•30•4•Updated Jan 14, 2026Jan 14, 2026

• webauthn

  Public
  Web Authentication: An API for accessing Public Key Credentials

  webauthn

  HTML

  •

  Other

  •249•1.4k•70•9•Updated Jan 14, 2026Jan 14, 2026

• mnx

  Public
  Music Notation CG next-generation music markup proposal.

  HTML

  •21•208•127•1•Updated Jan 14, 2026Jan 14, 2026

• core-aam

  Public
  Core Accessibility API Mappings

  10•45•86•0•Updated Jan 14, 2026Jan 14, 2026