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    1.1k repositories

    • spec-families

      Public
      List of W3C specification families
      JavaScript
      •2•5•2•0•Updated Mar 24, 2026Mar 24, 2026

    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      cssidlweb-platform
      cssidlweb-platformdefinitions-data
      JavaScript
      •
      MIT License
      •118•415•51•4•Updated Mar 24, 2026Mar 24, 2026

    • wai-website

      Public
      This repository hosts the W3C WAI web site.
      accessibilityw3c
      accessibilityw3c
      HTML
      •
      Other
      •1.3k•119•348•53•Updated Mar 24, 2026Mar 24, 2026

    • epub-specs

      Public
      Shared workspace for EPUB 3 specifications.
      publishingepubdigital-publishing
      publishingepubdigital-publishingepub-wg
      HTML
      •
      Other
      •65•363•64•7•Updated Mar 24, 2026Mar 24, 2026

    • bp-i18n-specdev

      Public
      Internationalization Best Practices for Spec Developers
      i18n
      i18n
      HTML
      •
      Other
      •19•34•23•7•Updated Mar 24, 2026Mar 24, 2026

    • clreq

      Public
      Requirements for Chinese Text Layout
      i18nw3cchinese
      i18nw3cchinese
      HTML
      •
      Other
      •64•790•180•6•Updated Mar 24, 2026Mar 24, 2026

    • strudy

      Public
      Strudy is an analysis tool for Web spec crawl reports created by Reffy
      JavaScript
      •
      MIT License
      •6•11•24•15•Updated Mar 24, 2026Mar 24, 2026

    • wai-website-theme

      Public
      WAI Website Theme
      JavaScript
      •
      Other
      •23•9•22•4•Updated Mar 24, 2026Mar 24, 2026

    • cg-monitor

      Public
      Dashboard of activity from Community Groups
      JavaScript
      •24•19•5•4•Updated Mar 24, 2026Mar 24, 2026

    • performance-timeline

      Public
      Performance Timeline
      apiperformanceweb
      apiperformancewebweb-applicationperformance-metricsspecificationwebapp
      Bikeshed
      •
      Other
      •26•113•14•2•Updated Mar 24, 2026Mar 24, 2026

    • sdw-sosa-ssn

      Public
      Repository of the Spatial Data on the Web Working Group for the SOSA/SSN vocabulary
      HTML
      •9•15•12•0•Updated Mar 24, 2026Mar 24, 2026

    • manifest

      Public
      Manifest for web apps
      HTML
      •
      Other
      •179•710•60•8•Updated Mar 24, 2026Mar 24, 2026

    • csswg-wiki

      Public
      CSS Working Group Wiki – community-editable documentation
      csswikiw3c
      csswikiw3cw3css
      Markdown
      •11•4•0•1•Updated Mar 24, 2026Mar 24, 2026

    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      •
      Other
      •44•144•205•17•Updated Mar 24, 2026Mar 24, 2026

    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      •
      Other
      •384•1.4k•483•90•Updated Mar 23, 2026Mar 23, 2026

    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      css
      css
      Bikeshed
      •
      Other
      •780•4.8k•4.3k•138•Updated Mar 23, 2026Mar 23, 2026

    • cg-program

      Public
      Repository to track issues and improvements with the W3C Community Groups and Business Groups program
      HTML
      •4•7•13•1•Updated Mar 23, 2026Mar 23, 2026

    • lws-protocol

      Public
      Linked Web Storage Protocol
      HTML
      •
      Other
      •7•23•32•8•Updated Mar 23, 2026Mar 23, 2026

    • specberus

      Public
      Checker used at W3C to validate the compliance of Technical Reports with publication rules
      HTML
      •
      MIT License
      •56•89•47•1•Updated Mar 23, 2026Mar 23, 2026

    • guide

      Public
      The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.
      HTML
      •60•69•58•7•Updated Mar 23, 2026Mar 23, 2026

    • cogai

      Public
      for work by the Cognitive AI community group
      HTML
      •
      Other
      •26•73•28•3•Updated Mar 23, 2026Mar 23, 2026

    • threat-model-web

      Public
      A Threat Model for the Web
      Bikeshed
      •
      Other
      •3•3•2•1•Updated Mar 23, 2026Mar 23, 2026

    • sparql-query

      Public
      HTML
      •
      Other
      •3•18•89•2•Updated Mar 23, 2026Mar 23, 2026

    • wcag-act-rules

      Public
      WCAG Conformance Test Rules
      HTML
      •
      Other
      •16•30•35•3•Updated Mar 23, 2026Mar 23, 2026

    • GHURLBot

      Public
      IRC bot that provides full URLs when GitHub issues (‘#123’) or users (‘@yyyy’) are mentioned
      Perl
      •
      Other
      •1•5•3•0•Updated Mar 23, 2026Mar 23, 2026

    • dpv

      Public
      Data Privacy Vocabularies and Controls CG (DPVCG)
      privacysemanticsvocabulary
      privacysemanticsvocabularygdprdata-protection
      HTML
      •
      Other
      •34•70•94•1•Updated Mar 23, 2026Mar 23, 2026

    • largest-contentful-paint

      Public
      Specification for the LargestContentfulPaint API
      Bikeshed
      •
      Other
      •21•99•48•3•Updated Mar 23, 2026Mar 23, 2026

    • ift-encoder

      Public
      A web fonts IFT encoder implementation
      C++
      •
      Other
      •6•10•4•0•Updated Mar 23, 2026Mar 23, 2026

    • aria

      Public
      Accessible Rich Internet Applications (WAI-ARIA)
      HTML
      •
      Other
      •144•741•442•61•Updated Mar 23, 2026Mar 23, 2026

    • accname

      Public
      Accessible Name and Description Computation
      24•68•103•0•Updated Mar 23, 2026Mar 23, 2026