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    • resource-timing

      Public
    • groups

      Public
      Complement to https://www.w3.org/groups/
      JavaScript
      MIT License
      3910Updated Mar 23, 2026Mar 23, 2026
    • css-validator-testsuite

      Public
      Testsuite for the CSS Validator
      CSS
      3510Updated Mar 23, 2026Mar 23, 2026
    • publ-a11y

      Public
      Accessibility related discussions of the Publishing@W3C Groups
      HTML
      Other
      637561Updated Mar 23, 2026Mar 23, 2026
    • css-validator

      Public
      W3C CSS Validation Service
      Java
      Other
      115234577Updated Mar 23, 2026Mar 23, 2026
    • lws-protocol

      Public
      Linked Web Storage Protocol
      HTML
      Other
      723328Updated Mar 23, 2026Mar 23, 2026
    • a11y-discov-vocab

      Public
      Repository for the maintenance of the schema.org accessibility property values for discoverability.
      HTML
      Other
      1427171Updated Mar 23, 2026Mar 23, 2026
    • epub-specs

      Public
      Shared workspace for EPUB 3 specifications.
      HTML
      Other
      65363637Updated Mar 23, 2026Mar 23, 2026
    • wcag

      Public
      Web Content Accessibility Guidelines
      HTML
      Other
      3831.4k49099Updated Mar 23, 2026Mar 23, 2026
    • webref

      Public
      Machine-readable references of terms defined in web browser specifications
      JavaScript
      MIT License
      118415514Updated Mar 23, 2026Mar 23, 2026
    • wot-marketing

      Public
      Web of Things (WoT) Marketing
      HTML
      Other
      1915206Updated Mar 23, 2026Mar 23, 2026
    • data-shapes

      Public
      Data Shapes WG repo
      HTML
      Other
      4414420517Updated Mar 23, 2026Mar 23, 2026
    • largest-contentful-paint

      Public
      Specification for the LargestContentfulPaint API
      Bikeshed
      Other
      2199494Updated Mar 23, 2026Mar 23, 2026
    • wcag2ict

      Public
      WCAG2ICT deliverable of Accessibility Guidelines WG
      JavaScript
      Other
      840595Updated Mar 23, 2026Mar 23, 2026
    • html-aria

      Public
      ARIA in HTML
      HTML
      Other
      49197516Updated Mar 23, 2026Mar 23, 2026
    • wai-evaluation-tools-list

      Public
      List of Accessibility Evaluation Tools
      JavaScript
      14111962Updated Mar 23, 2026Mar 23, 2026
    • reffy

      Public
      Reffy is a Web spec crawler and analyzer tool. It is notably used to update Webref
      JavaScript
      MIT License
      2581426Updated Mar 23, 2026Mar 23, 2026
    • webai

      Public
      This repo used by Web & AI IG.
      Other
      011200Updated Mar 23, 2026Mar 23, 2026
    • browser-specs

      Public
      A machine-readable list of Web specifications
      JavaScript
      Other
      53303760Updated Mar 23, 2026Mar 23, 2026
    • sparql-query

      Public
      HTML
      Other
      318903Updated Mar 23, 2026Mar 23, 2026
    • wai-website-theme

      Public
      WAI Website Theme
      JavaScript
      Other
      239224Updated Mar 23, 2026Mar 23, 2026
    • cg-program

      Public
      Repository to track issues and improvements with the W3C Community Groups and Business Groups program
      HTML
      47132Updated Mar 23, 2026Mar 23, 2026
    • strudy

      Public
      Strudy is an analysis tool for Web spec crawl reports created by Reffy
      JavaScript
      MIT License
      6112416Updated Mar 23, 2026Mar 23, 2026
    • spec-dashboard

      Public
      Tools to monitor development of specs across groups
      JavaScript
      133070Updated Mar 23, 2026Mar 23, 2026
    • specberus

      Public
      Checker used at W3C to validate the compliance of Technical Reports with publication rules
      HTML
      MIT License
      5689470Updated Mar 23, 2026Mar 23, 2026
    • spec-generator

      Public
      Service to automatically generate specs from various source formats
      TypeScript
      MIT License
      174170Updated Mar 23, 2026Mar 23, 2026
    • jlreq-d

      Public
      Requirements for Japanese Digital Text Layout
      321512Updated Mar 23, 2026Mar 23, 2026
    • cg-monitor

      Public
      Dashboard of activity from Community Groups
      JavaScript
      241954Updated Mar 23, 2026Mar 23, 2026
    • vc-data-model

      Public
      W3C Verifiable Credentials v2.0 Specification
      HTML
      Other
      132353113Updated Mar 22, 2026Mar 22, 2026
    • cogai

      Public
      for work by the Cognitive AI community group
      HTML
      Other
      2673283Updated Mar 22, 2026Mar 22, 2026