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    1.1k repositories

    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      •
      Other
      •40•137•198•17•Updated Dec 9, 2025Dec 9, 2025

    • attribution

      Public
      Ad Attribution API
      apiprivacybrowserwebadvertising
      Bikeshed
      •46•63•32•6•Updated Dec 9, 2025Dec 9, 2025

    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      cssidlweb-platformdefinitions-data
      JavaScript
      •
      MIT License
      •106•383•43•1•Updated Dec 9, 2025Dec 9, 2025

    • validate-repos

      Public
      Test whether W3C spec repos match a set of best practices
      JavaScript
      •
      Other
      •14•20•14•8•Updated Dec 9, 2025Dec 9, 2025

    • patwg

      Public
      Private Advertising Technology Working Group
      Other
      •1•7•7•0•Updated Dec 8, 2025Dec 8, 2025

    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      css
      Bikeshed
      •
      Other
      •759•4.8k•4.1k•114•Updated Dec 8, 2025Dec 8, 2025

    • resource-timing

      Public
      Resource Timing
      performancewebweb-applicationperformance-metricsspecificationwebappresource-measurement
      HTML
      •
      Other
      •38•131•49•6•Updated Dec 8, 2025Dec 8, 2025

    • rdf-interop

      Public
      HTML
      •
      Other
      •0•2•4•3•Updated Dec 8, 2025Dec 8, 2025

    • wot-thing-description-toolchain-tmp

      Public
      work area for WoT Thing Description toolchain
      Python
      •1•7•14•2•Updated Dec 8, 2025Dec 8, 2025

    • spec-generator

      Public
      Service to automatically generate specs from various source formats
      TypeScript
      •
      MIT License
      •6•27•7•1•Updated Dec 8, 2025Dec 8, 2025

    • charter-drafts

      Public
      Draft W3C WG and CG charters for public review
      HTML
      •71•68•14•6•Updated Dec 8, 2025Dec 8, 2025

    • securityig

      Public
      Security Interest Group
      Other
      •2•4•9•0•Updated Dec 8, 2025Dec 8, 2025

    • dapt

      Public
      Dubbing and Audio description Profiles of TTML2
      HTML
      •
      Other
      •5•9•39•1•Updated Dec 8, 2025Dec 8, 2025

    • imsc

      Public
      TTML Profiles for Internet Media Subtitles and Captions (IMSC)
      HTML
      •
      Other
      •16•33•26•4•Updated Dec 8, 2025Dec 8, 2025

    • aria

      Public
      Accessible Rich Internet Applications (WAI-ARIA)
      HTML
      •
      Other
      •140•733•446•69•Updated Dec 8, 2025Dec 8, 2025

    • epub-tests

      Public
      Test repository for EPUB3, maintained by the EPUB3 WG
      publishingepubdigital-publishingepub-wg
      HTML
      •
      Other
      •14•27•1•0•Updated Dec 8, 2025Dec 8, 2025

    • secure-payment-confirmation

      Public
      Secure Payment Confirmation (SPC)
      public-keypayment-request3dswebauthnpayment-handler
      Bikeshed
      •
      Other
      •48•133•29•2•Updated Dec 8, 2025Dec 8, 2025

    • groups

      Public
      Complement to https://www.w3.org/groups/
      JavaScript
      •
      MIT License
      •3•9•2•0•Updated Dec 8, 2025Dec 8, 2025

    • fxtf-drafts

      Public
      Historical
      HTML
      •
      Other
      •50•80•217•9•Updated Dec 8, 2025Dec 8, 2025

    • epub-specs

      Public
      Shared workspace for EPUB 3 specifications.
      publishingepubdigital-publishingepub-wg
      HTML
      •
      Other
      •63•346•35•5•Updated Dec 8, 2025Dec 8, 2025

    • wot

      Public
      Web of Things
      HTML
      •133•228•28•3•Updated Dec 8, 2025Dec 8, 2025

    • pm-wg

      Public
      Publishing Maintenance Working Group
      HTML
      •
      Other
      •4•3•1•0•Updated Dec 8, 2025Dec 8, 2025

    • wot-cg

      Public
      Web of Things Community Group
      webweb-of-thingsinternetofthingswot
      JavaScript
      •
      Other
      •14•22•14•5•Updated Dec 8, 2025Dec 8, 2025

    • wai-website

      Public
      This repository hosts the W3C WAI web site.
      accessibilityw3c
      HTML
      •
      Other
      •973•106•346•49•Updated Dec 8, 2025Dec 8, 2025

    • wcag-act-rules

      Public
      WCAG Conformance Test Rules
      HTML
      •
      Other
      •16•26•34•8•Updated Dec 8, 2025Dec 8, 2025

    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      •
      Other
      •333•1.3k•497•86•Updated Dec 8, 2025Dec 8, 2025

    • push-api

      Public
      Push API
      HTML
      •
      Other
      •42•158•37•4•Updated Dec 8, 2025Dec 8, 2025

    • spec-dashboard

      Public
      Tools to monitor development of specs across groups
      JavaScript
      •11•28•7•0•Updated Dec 8, 2025Dec 8, 2025

    • webai-roadmap

      Public
      This document summarizes the various technologies developed in W3C that increase the capabilities of Web and AI.
      HTML
      •
      Other
      •0•0•0•0•Updated Dec 8, 2025Dec 8, 2025

    • strudy

      Public
      Strudy is an analysis tool for Web spec crawl reports created by Reffy
      JavaScript
      •
      MIT License
      •6•8•24•6•Updated Dec 8, 2025Dec 8, 2025