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@w3c

World Wide Web Consortium

We are an international community that develops open standards to ensure the long-term growth of the Web. Most of our groups do their work here.

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  1. webauthn Public

    Web Authentication: An API for accessing Public Key Credentials

    HTML 1.3k 218

  2. webcodecs Public

    WebCodecs is a flexible web API for encoding and decoding audio and video.

    HTML 1.1k 155

  3. manifest Public

    Manifest for web apps

    HTML 683 168

  4. vc-data-model Public

    W3C Verifiable Credentials v2.0 Specification

    HTML 332 121

  5. gpc Public

    Global Privacy Control Specification

    HTML 122 29

  6. png Public

    Maintenance of the PNG specification

    HTML 80 16

Repositories

Showing 10 of 1102 repositories
  • webref Public

    Machine-readable references of terms defined in web browser specifications

    JavaScript 364 MIT 94 37 4 Updated Aug 13, 2025
  • IndexedDB Public

    Indexed Database API

    Bikeshed 250 68 64 7 Updated Aug 13, 2025
  • webauthn Public

    Web Authentication: An API for accessing Public Key Credentials

    HTML 1,272 218 60 5 Updated Aug 13, 2025
  • spec-releases Public archive
    CSS 2 MIT 9 3 0 Updated Aug 13, 2025
  • wai-evaluation-tools-list Public

    List of Accessibility Evaluation Tools

    JavaScript 8 9 18 114 Updated Aug 13, 2025
  • guide Public

    The Guidebook is the collected wisdom of the W3C Group Chairs, team contacts and other contributors.

    HTML 51 40 65 13 Updated Aug 13, 2025
  • wcag3 Public

    WCAG 3

    Astro 85 22 185 4 Updated Aug 13, 2025
  • wai-wcag-em Public
    JavaScript 1 3 17 2 Updated Aug 13, 2025
  • aria-at-app Public

    Test runner and results reporter for ARIA-AT

    JavaScript 44 17 139 (1 issue needs help) 28 Updated Aug 13, 2025
  • csswg-drafts Public

    CSS Working Group Editor Drafts

    Bikeshed 4,699 735 3,980 (36 issues need help) 114 Updated Aug 13, 2025