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    1.1k repositories

    • lws-protocol

      Public
      Linked Web Storage Protocol
      HTML
      •
      Other
      •9•24•43•10•Updated Apr 20, 2026Apr 20, 2026

    • attribution

      Public
      Attribution API
      apiprivacybrowser
      apiprivacybrowserwebadvertising
      Bikeshed
      •
      Other
      •75•97•41•3•Updated Apr 20, 2026Apr 20, 2026

    • css-validator

      Public
      W3C CSS Validation Service
      Java
      •
      Other
      •116•235•47•7•Updated Apr 20, 2026Apr 20, 2026

    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      css
      css
      Bikeshed
      •
      Other
      •787•4.8k•4.3k•119•Updated Apr 20, 2026Apr 20, 2026

    • rdf-turtle

      Public
      HTML
      •
      Other
      •7•19•6•3•Updated Apr 20, 2026Apr 20, 2026

    • privacywg

      Public
      Privacy Working Group
      privacy
      privacy
      Other
      •1•5•1•0•Updated Apr 20, 2026Apr 20, 2026

    • a11y-discov-vocab

      Public
      Repository for the maintenance of the schema.org accessibility property values for discoverability.
      accessibilitya11yvocabulary
      accessibilitya11yvocabularypublishingontology
      HTML
      •
      Other
      •15•27•19•1•Updated Apr 20, 2026Apr 20, 2026

    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      cssidlweb-platform
      cssidlweb-platformdefinitions-data
      JavaScript
      •
      MIT License
      •121•428•51•8•Updated Apr 20, 2026Apr 20, 2026

    • aria

      Public
      Accessible Rich Internet Applications (WAI-ARIA)
      HTML
      •
      Other
      •143•740•409•59•Updated Apr 20, 2026Apr 20, 2026

    • wcag-act-rules

      Public
      WCAG Conformance Test Rules
      HTML
      •
      Other
      •16•30•35•3•Updated Apr 20, 2026Apr 20, 2026

    • ift-encoder

      Public
      A web fonts IFT encoder implementation
      C++
      •
      Other
      •6•10•7•1•Updated Apr 20, 2026Apr 20, 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
      •71•76•119•43•Updated Apr 20, 2026Apr 20, 2026

    • imsc-tests

      Public
      IMSC test suites
      Other
      •4•16•8•6•Updated Apr 20, 2026Apr 20, 2026

    • wcag2ict

      Public
      WCAG2ICT deliverable of Accessibility Guidelines WG
      JavaScript
      •
      Other
      •8•41•78•1•Updated Apr 20, 2026Apr 20, 2026

    • webauthn

      Public
      Web Authentication: An API for accessing Public Key Credentials
      webauthn
      webauthn
      HTML
      •
      Other
      •271•1.4k•76•12•Updated Apr 20, 2026Apr 20, 2026

    • patwg

      Public
      Private Advertising Technology Working Group
      Other
      •2•8•5•1•Updated Apr 20, 2026Apr 20, 2026

    • reffy

      Public
      Reffy is a Web spec crawler and analyzer tool. It is notably used to update Webref
      JavaScript
      •
      MIT License
      •25•81•42•7•Updated Apr 20, 2026Apr 20, 2026

    • browser-specs

      Public
      A machine-readable list of Web specifications
      JavaScript
      •
      Other
      •54•307•82•6•Updated Apr 20, 2026Apr 20, 2026

    • groups

      Public
      Complement to https://www.w3.org/groups/
      JavaScript
      •
      MIT License
      •4•10•1•0•Updated Apr 20, 2026Apr 20, 2026

    • cogai

      Public
      for work by the Cognitive AI community group
      HTML
      •
      Other
      •26•74•28•3•Updated Apr 20, 2026Apr 20, 2026

    • resource-timing

      Public
      Resource Timing
      performancewebweb-application
      performancewebweb-applicationperformance-metricsspecificationwebappresource-measurement
      Bikeshed
      •
      Other
      •39•135•49•6•Updated Apr 20, 2026Apr 20, 2026

    • rdf-primer

      Public
      HTML
      •
      Other
      •2•5•10•2•Updated Apr 20, 2026Apr 20, 2026

    • rdf-tests

      Public
      Repository for the RDF Tests Community Group
      HTML
      •
      Other
      •28•64•38•10•Updated Apr 20, 2026Apr 20, 2026

    • spec-dashboard

      Public
      Tools to monitor development of specs across groups
      JavaScript
      •13•30•7•0•Updated Apr 20, 2026Apr 20, 2026

    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      •
      Other
      •45•148•212•17•Updated Apr 20, 2026Apr 20, 2026

    • wai-website-theme

      Public
      WAI Website Theme
      JavaScript
      •
      Other
      •24•9•22•5•Updated Apr 20, 2026Apr 20, 2026

    • translation-management

      Public
      Workflow to manage volunteer translations of W3C documents
      JavaScript
      •25•45•15•1•Updated Apr 20, 2026Apr 20, 2026

    • cg-monitor

      Public
      Dashboard of activity from Community Groups
      JavaScript
      •24•19•5•4•Updated Apr 20, 2026Apr 20, 2026

    • wai-aria-practices

      Public
      WAI Website Resource for aria-practices guidelines
      JavaScript
      •13•20•28•32•Updated Apr 20, 2026Apr 20, 2026

    • aria-practices

      Public
      WAI-ARIA Authoring Practices Guide (APG)
      csshtmlaria
      csshtmlaria
      HTML
      •
      Other
      •464•1.3k•638•61•Updated Apr 20, 2026Apr 20, 2026
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