Repositories list

• sdw-sosa-ssn

  Public
  Repository of the Spatial Data on the Web Working Group for the SOSA/SSN vocabulary

  HTML

  •1010 forks•1616 stars•1919 issues•11 pull request•Updated Apr 14, 2026Apr 14, 2026

• bp-i18n-specdev

  Public
  Internationalization Best Practices for Spec Developers

  i18n

  i18n

  HTML

  •

  Other

  •1919 forks•3434 stars•2525 issues•88 pull requests•Updated Apr 14, 2026Apr 14, 2026

• webref

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

  cssidlweb-platform+ 1

  cssidlweb-platformdefinitions-data

  JavaScript

  •

  MIT License

  •120120 forks•426426 stars•5151 issues•66 pull requests•Updated Apr 14, 2026Apr 14, 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 14, 2026Apr 14, 2026

• wcag

  Public
  Web Content Accessibility Guidelines

  HTML

  •

  Other

  •401401 forks•1.4k1.4k stars•450450 issues•9696 pull requests•Updated Apr 14, 2026Apr 14, 2026

• wai-website

  Public

  w3c/wai-website’s past year of commit activity
  This repository hosts the W3C WAI web site.

  accessibilityw3c

  accessibilityw3c

  HTML

  •

  Other

  •1.3k1.3k forks•123123 stars•346346 issues•5151 pull requests•Updated Apr 13, 2026Apr 13, 2026

• sustainableweb-ig

  Public
  W3C Sustainable Web Interest Group

  sustainability

  sustainability

  Other

  •55 forks•3030 stars•66 issues•00 pull requests•Updated Apr 13, 2026Apr 13, 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 13, 2026Apr 13, 2026

• webauthn

  Public
  Web Authentication: An API for accessing Public Key Credentials

  webauthn

  webauthn

  HTML

  •

  Other

  •270270 forks•1.4k1.4k stars•7878 issues•1212 pull requests•Updated Apr 13, 2026Apr 13, 2026

• csswg-drafts

  Public

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

  css

  css

  Bikeshed

  •

  Other

  •786786 forks•4.8k4.8k stars•4.3k4.3k issues•133133 pull requests•Updated Apr 13, 2026Apr 13, 2026

• did-resolution

  Public
  RELEASED DRAFT: Decentralized Identifier Resolution (DID Resolution) 0.2 Specification

  workitemdid-wg

  workitemdid-wg

  HTML

  •

  Other

  •2222 forks•2222 stars•3838 issues•1111 pull requests•Updated Apr 13, 2026Apr 13, 2026

• wai-aria-practices

  Public
  WAI Website Resource for aria-practices guidelines

  JavaScript

  •1212 forks•2020 stars•2828 issues•2828 pull requests•Updated Apr 13, 2026Apr 13, 2026

• aria-practices

  Public
  WAI-ARIA Authoring Practices Guide (APG)

  csshtmlaria

  csshtmlaria

  HTML

  •

  Other

  •463463 forks•1.3k1.3k stars•635635 issues•5757 pull requests•Updated Apr 13, 2026Apr 13, 2026

• cg-program

  Public
  Repository to track issues and improvements with the W3C Community Groups and Business Groups program

  HTML

  •44 forks•77 stars•1414 issues•11 pull request•Updated Apr 13, 2026Apr 13, 2026

• wai-website-theme

  Public
  WAI Website Theme

  JavaScript

  •

  Other

  •2424 forks•99 stars•2222 issues•66 pull requests•Updated Apr 13, 2026Apr 13, 2026

• odrl

  Public
  ODRL Community Group Repository

  odrl

  odrl

  HTML

  •

  Other

  •1313 forks•3535 stars•6262 issues•00 pull requests•Updated Apr 13, 2026Apr 13, 2026

• dapt

  Public
  Dubbing and Audio description Profiles of TTML2

  HTML

  •

  Other

  •77 forks•1010 stars•3737 issues•00 pull requests•Updated Apr 13, 2026Apr 13, 2026

• groups

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

  JavaScript

  •

  MIT License

  •44 forks•1010 stars•11 issue•00 pull requests•Updated Apr 13, 2026Apr 13, 2026

• imsc-tests

  Public
  IMSC test suites

  Other

  •44 forks•1616 stars•1212 issues•77 pull requests•Updated Apr 13, 2026Apr 13, 2026

• cbor-ld

  Public
  A CBOR-encoding for Linked Data.

  HTML

  •

  Other

  •66 forks•1717 stars•1313 issues•33 pull requests•Updated Apr 13, 2026Apr 13, 2026

• css-validator

  Public
  W3C CSS Validation Service

  Java

  •

  Other

  •116116 forks•236236 stars•5252 issues•77 pull requests•Updated Apr 13, 2026Apr 13, 2026

• css-validator-testsuite

  Public
  Testsuite for the CSS Validator

  CSS

  •44 forks•55 stars•11 issue•00 pull requests•Updated Apr 13, 2026Apr 13, 2026

• lws-protocol

  Public
  Linked Web Storage Protocol

  HTML

  •

  Other

  •99 forks•2424 stars•4343 issues•1111 pull requests•Updated Apr 13, 2026Apr 13, 2026

• guide

  Public
  The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.

  HTML

  •6363 forks•7272 stars•5757 issues•77 pull requests•Updated Apr 13, 2026Apr 13, 2026

• wcag-act-rules

  Public
  WCAG Conformance Test Rules

  HTML

  •

  Other

  •1616 forks•3030 stars•3636 issues•77 pull requests•Updated Apr 13, 2026Apr 13, 2026

• i18n-drafts

  Public
  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•7575 stars•116116 issues•3838 pull requests•Updated Apr 13, 2026Apr 13, 2026

• ift-client-tests

  Public
  Python

  •

  Other

  •44 forks•22 stars•2525 issues•11 pull request•Updated Apr 13, 2026Apr 13, 2026

• onboarding

  Public
  A tool to send the facility map to newcomers in a group

  JavaScript

  •

  MIT License

  •1919 forks•88 stars•11 issue•44 pull requests•Updated Apr 13, 2026Apr 13, 2026

• browser-specs

  Public
  A machine-readable list of Web specifications

  JavaScript

  •

  Other

  •5454 forks•307307 stars•7878 issues•55 pull requests•Updated Apr 13, 2026Apr 13, 2026

• wai-evaluation-tools-list

  Public
  List of Accessibility Evaluation Tools

  accessibility

  accessibility

  JavaScript

  •1515 forks•1313 stars•1919 issues•7474 pull requests•Updated Apr 13, 2026Apr 13, 2026