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    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      •
      Other
      •289•1.3k•557•103•Updated Jun 14, 2025Jun 14, 2025

    • charter-drafts

      Public
      Draft W3C WG and CG charters for public review
      HTML
      •64•61•17•1•Updated Jun 14, 2025Jun 14, 2025

    • json-ld-api

      Public
      JSON-LD 1.1 Processing Algorithms and API Specification
      json-ld-wgjson-ld-11
      HTML
      •
      Other
      •35•88•59•6•Updated Jun 14, 2025Jun 14, 2025

    • wai-evaluation-tools-list

      Public
      List of Accessibility Evaluation Tools
      accessibility
      JavaScript
      •9•6•17•44•Updated Jun 14, 2025Jun 14, 2025

    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      cssidlweb-platformdefinitions-data
      JavaScript
      •
      MIT License
      •88•354•37•4•Updated Jun 14, 2025Jun 14, 2025

    • rdf-schema

      Public
      HTML
      •
      Other
      •1•6•5•0•Updated Jun 14, 2025Jun 14, 2025

    • webappsec

      Public
      Web Application Security Working Group repo
      HTML
      •
      Other
      •155•630•91•2•Updated Jun 14, 2025Jun 14, 2025

    • spec-dashboard

      Public
      Tools to monitor development of specs across groups
      JavaScript
      •9•24•7•0•Updated Jun 14, 2025Jun 14, 2025

    • cg-monitor

      Public
      Dashboard of activity from Community Groups
      JavaScript
      •18•16•5•1•Updated Jun 14, 2025Jun 14, 2025

    • validate-repos

      Public
      Test whether W3C spec repos match a set of best practices
      JavaScript
      •
      Other
      •12•19•14•9•Updated Jun 14, 2025Jun 14, 2025

    • sustainableweb-ig

      Public
      W3C Sustainable Web Interest Group
      sustainability
      Other
      •2•21•5•0•Updated Jun 13, 2025Jun 13, 2025

    • accname

      Public
      Accessible Name and Description Computation
      24•66•104•0•Updated Jun 13, 2025Jun 13, 2025

    • aria

      Public
      Accessible Rich Internet Applications (WAI-ARIA)
      HTML
      •
      Other
      •132•707•422•76•Updated Jun 13, 2025Jun 13, 2025

    • rdf-xml

      Public
      HTML
      •
      Other
      •1•4•3•0•Updated Jun 13, 2025Jun 13, 2025

    • webtransport

      Public
      WebTransport is a web API for flexible data transport
      Bikeshed
      •
      Other
      •50•896•28•1•Updated Jun 13, 2025Jun 13, 2025

    • guide

      Public
      The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.
      HTML
      •38•48•57•11•Updated Jun 13, 2025Jun 13, 2025

    • groups

      Public
      Complement to https://www.w3.org/groups/
      JavaScript
      •
      MIT License
      •2•8•2•0•Updated Jun 13, 2025Jun 13, 2025

    • wcag2ict

      Public
      WCAG2ICT deliverable of Accessibility Guidelines WG
      JavaScript
      •
      Other
      •7•33•105•5•Updated Jun 13, 2025Jun 13, 2025

    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      css
      Bikeshed
      •
      Other
      •720•4.7k•3.9k•109•Updated Jun 13, 2025Jun 13, 2025

    • rdf-n-quads

      Public
      HTML
      •
      Other
      •2•5•2•0•Updated Jun 13, 2025Jun 13, 2025

    • activitystreams

      Public
      Activity Streams 2.0
      socialsocial-networkformatfeedspecificationactivitiesas2activitystreams
      HTML
      •
      Other
      •62•291•71•33•Updated Jun 13, 2025Jun 13, 2025

    • rdf-trig

      Public
      HTML
      •
      Other
      •2•2•0•0•Updated Jun 13, 2025Jun 13, 2025

    • rdf-common

      Public
      Files used in all specifications of the RDF-star WG
      JavaScript
      •
      Other
      •1•1•0•0•Updated Jun 13, 2025Jun 13, 2025

    • dapt-tests

      Public
      Tests for Dubbing and Audio description Profiles of TTML2
      Other
      •1•1•17•13•Updated Jun 13, 2025Jun 13, 2025

    • tpac-breakouts

      Public
      Documentation and Management of TPAC plenary day breakouts
      JavaScript
      •
      Other
      •12•8•25•6•Updated Jun 13, 2025Jun 13, 2025

    • tpac2025-meetings

      Public
      0•0•28•0•Updated Jun 13, 2025Jun 13, 2025

    • reffy

      Public
      Reffy is a Web spec crawler and analyzer tool. It is notably used to update Webref
      JavaScript
      •
      MIT License
      •24•73•40•1•Updated Jun 13, 2025Jun 13, 2025

    • rdf-n-triples

      Public
      HTML
      •
      Other
      •3•4•1•2•Updated Jun 13, 2025Jun 13, 2025

    • w3c-website-frontend

      Public
      Frontend website for w3.org
      PHP
      •13•33•0•0•Updated Jun 13, 2025Jun 13, 2025

    • webauthn

      Public
      Web Authentication: An API for accessing Public Key Credentials
      webauthn
      HTML
      •
      Other
      •204•1.2k•67•9•Updated Jun 13, 2025Jun 13, 2025