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    • specberus

      Public
      Checker used at W3C to validate the compliance of Technical Reports with publication rules
      HTML
      5690480Updated Jan 17, 2026Jan 17, 2026
    • sparql-query

      Public
      HTML
      318935Updated Jan 17, 2026Jan 17, 2026
    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      3441.4k482113Updated Jan 17, 2026Jan 17, 2026
    • clreq

      Public
      Requirements for Chinese Text Layout
      HTML
      647851783Updated Jan 17, 2026Jan 17, 2026
    • did-resolution

      Public
      RELEASED DRAFT: Decentralized Identifier Resolution (DID Resolution) 0.2 Specification
      HTML
      1921497Updated Jan 17, 2026Jan 17, 2026
    • aria-practices

      Public
      WAI-ARIA Authoring Practices Guide (APG)
      HTML
      4411.3k63052Updated Jan 17, 2026Jan 17, 2026
    • charter-drafts

      Public
      Draft W3C WG and CG charters for public review
      HTML
      7373134Updated Jan 17, 2026Jan 17, 2026
    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      JavaScript
      116397513Updated Jan 17, 2026Jan 17, 2026
    • Tools to monitor development of specs across groups
      JavaScript
      112870Updated Jan 17, 2026Jan 17, 2026
    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      4213919915Updated Jan 17, 2026Jan 17, 2026
    • cg-monitor

      Public
      Dashboard of activity from Community Groups
      JavaScript
      241953Updated Jan 17, 2026Jan 17, 2026
    • validate-repos

      Public
      Test whether W3C spec repos match a set of best practices
      JavaScript
      14211410Updated Jan 17, 2026Jan 17, 2026
    • wai-website-theme

      Public
      WAI Website Theme
      JavaScript
      238226Updated Jan 16, 2026Jan 16, 2026
    • wai-wcag-em-report-tool

      Public
      WCAG-EM Report Tool
      Svelte
      7381599Updated Jan 16, 2026Jan 16, 2026
    • csswg-drafts

      Public
      CSS Working Group Editor Drafts
      Bikeshed
      7654.8k4.2k123Updated Jan 16, 2026Jan 16, 2026
    • guide

      Public
      The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.
      HTML
      5464549Updated Jan 16, 2026Jan 16, 2026
    • A machine-readable list of Web specifications
      JavaScript
      51295622Updated Jan 16, 2026Jan 16, 2026
    • a11y-discov-vocab

      Public
      Repository for the maintenance of the schema.org accessibility property values for discoverability.
      HTML
      1327261Updated Jan 16, 2026Jan 16, 2026
    • wai-website

      Public
      This repository hosts the W3C WAI web site.
      HTML
      1.1k10934355Updated Jan 16, 2026Jan 16, 2026
    • wot

      Public
      Web of Things
      HTML
      134228293Updated Jan 16, 2026Jan 16, 2026
    • WCAG Conformance Test Rules
      HTML
      1628347Updated Jan 16, 2026Jan 16, 2026
    • wcag3

      Public
      WCAG 3
      Astro
      281093281Updated Jan 16, 2026Jan 16, 2026
    • Linked Web Storage Protocol
      HTML
      717136Updated Jan 16, 2026Jan 16, 2026
    • groups

      Public
      JavaScript
      3920Updated Jan 16, 2026Jan 16, 2026
    • klreq

      Public
      Requirements for Hangul Text Layout and Typography
      HTML
      831461Updated Jan 16, 2026Jan 16, 2026
    • HTML
      2000Updated Jan 16, 2026Jan 16, 2026
    • aria

      Public
      Accessible Rich Internet Applications (WAI-ARIA)
      HTML
      14173844968Updated Jan 16, 2026Jan 16, 2026
    • Tools and pages to track horizontal issues
      1012171Updated Jan 16, 2026Jan 16, 2026
    • wai-evaluation-tools-list

      Public
      List of Accessibility Evaluation Tools
      JavaScript
      11101938Updated Jan 16, 2026Jan 16, 2026
    • securityig

      Public
      Security Interest Group
      2490Updated Jan 16, 2026Jan 16, 2026