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    1.1k repositories

    • sdw-sosa-ssn

      Public
      Repository of the Spatial Data on the Web Working Group for the SOSA/SSN vocabulary
      HTML
      •9•15•11•2•Updated Mar 26, 2026Mar 26, 2026

    • mathml

      Public
      MathML4 editors draft
      HTML
      •
      Other
      •20•76•34•2•Updated Mar 26, 2026Mar 26, 2026

    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      cssidlweb-platform
      cssidlweb-platformdefinitions-data
      JavaScript
      •
      MIT License
      •118•418•50•2•Updated Mar 26, 2026Mar 26, 2026

    • wai-website-theme

      Public
      WAI Website Theme
      JavaScript
      •
      Other
      •23•9•22•4•Updated Mar 26, 2026Mar 26, 2026

    • csswg-wiki

      Public
      CSS Working Group Wiki – community-editable documentation
      csswikiw3c
      csswikiw3cw3css
      Markdown
      •14•4•0•1•Updated Mar 26, 2026Mar 26, 2026

    • mathml-docs

      Public
      Notes and other documents by the Math WG. See also https://github.com/w3c/mathml-core (repo for the MathML Core spec) and https://github.com/w3c/mathml (repo fo…
      HTML
      •
      Other
      •9•7•8•1•Updated Mar 25, 2026Mar 25, 2026

    • wcag-act-rules

      Public
      WCAG Conformance Test Rules
      HTML
      •
      Other
      •16•30•35•4•Updated Mar 25, 2026Mar 25, 2026

    • tpac-breakouts

      Public
      Documentation and Management of TPAC plenary day breakouts
      JavaScript
      •
      Other
      •7•10•30•5•Updated Mar 25, 2026Mar 25, 2026

    • a11y-tracking

      Public
      Horizontal review comments tracking for accessibility
      3•7•187•0•Updated Mar 25, 2026Mar 25, 2026

    • specberus

      Public
      Checker used at W3C to validate the compliance of Technical Reports with publication rules
      JavaScript
      •
      MIT License
      •57•89•47•4•Updated Mar 25, 2026Mar 25, 2026

    • validate-repos

      Public
      Test whether W3C spec repos match a set of best practices
      JavaScript
      •
      Other
      •14•21•16•13•Updated Mar 25, 2026Mar 25, 2026

    • rdf-concepts

      Public
      HTML
      •
      Other
      •9•31•9•2•Updated Mar 25, 2026Mar 25, 2026

    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      •
      Other
      •44•145•201•15•Updated Mar 25, 2026Mar 25, 2026

    • webidl2.js

      Public
      WebIDL parser
      JavaScript
      •
      MIT License
      •67•274•35•7•Updated Mar 25, 2026Mar 25, 2026

    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      •
      Other
      •384•1.4k•482•92•Updated Mar 25, 2026Mar 25, 2026

    • wai-wcag-quickref

      Public
      How to Meet WCAG (Quick Reference)
      SCSS
      •
      Other
      •37•82•14•5•Updated Mar 25, 2026Mar 25, 2026

    • wai-conformance-model-test

      Public
      A site designed to demonstrate accessibility failures to faciliate conformance discussions.
      Astro
      •
      Apache License 2.0
      •3•1•1•0•Updated Mar 25, 2026Mar 25, 2026

    • user-timing

      Public
      User Timing
      Bikeshed
      •
      Other
      •14•28•9•1•Updated Mar 25, 2026Mar 25, 2026

    • wai-wcag-em

      Public
      JavaScript
      •
      Other
      •4•8•41•1•Updated Mar 25, 2026Mar 25, 2026

    • webauthn

      Public
      Web Authentication: An API for accessing Public Key Credentials
      webauthn
      webauthn
      HTML
      •
      Other
      •265•1.4k•74•14•Updated Mar 25, 2026Mar 25, 2026

    • html-aria

      Public
      ARIA in HTML
      HTML
      •
      Other
      •49•197•51•7•Updated Mar 25, 2026Mar 25, 2026

    • wcag3

      Public
      WCAG 3
      Astro
      •
      Other
      •32•133•355•6•Updated Mar 25, 2026Mar 25, 2026

    • vc-render-method

      Public
      Rendering methods for Verifiable Credentials
      credentialsw3crender
      credentialsw3crenderccgverifiable
      HTML
      •
      Other
      •7•7•17•4•Updated Mar 25, 2026Mar 25, 2026

    • cbor-ld

      Public
      A CBOR-encoding for Linked Data.
      HTML
      •
      Other
      •6•18•10•1•Updated Mar 25, 2026Mar 25, 2026

    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      css
      css
      Bikeshed
      •
      Other
      •781•4.8k•4.3k•133•Updated Mar 25, 2026Mar 25, 2026

    • guide

      Public
      The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.
      HTML
      •61•69•57•8•Updated Mar 25, 2026Mar 25, 2026

    • groups

      Public
      Complement to https://www.w3.org/groups/
      JavaScript
      •
      MIT License
      •3•9•1•0•Updated Mar 25, 2026Mar 25, 2026

    • wcag2ict

      Public
      WCAG2ICT deliverable of Accessibility Guidelines WG
      JavaScript
      •
      Other
      •8•40•58•10•Updated Mar 25, 2026Mar 25, 2026

    • webtransport

      Public
      WebTransport is a web API for flexible data transport
      Bikeshed
      •
      Other
      •56•968•22•0•Updated Mar 25, 2026Mar 25, 2026

    • wot

      Public
      Web of Things
      HTML
      •134•230•27•7•Updated Mar 25, 2026Mar 25, 2026
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