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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 1.4k 265

  2. webcodecs Public

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

    HTML 1.2k 175

  3. manifest Public

    Manifest for web apps

    HTML 710 179

  4. vc-data-model Public

    W3C Verifiable Credentials v2.0 Specification

    HTML 353 132

  5. gpc Public

    Global Privacy Control Specification

    HTML 170 75

  6. png Public

    Maintenance of the PNG specification

    HTML 101 24

Repositories

Showing 10 of 1114 repositories
  • resource-timing Public

    Resource Timing

    Bikeshed 134 38 49 6 Updated Mar 23, 2026
  • groups Public

    Complement to https://www.w3.org/groups/

    JavaScript 9 MIT 3 1 0 Updated Mar 23, 2026
  • css-validator-testsuite Public

    Testsuite for the CSS Validator

    CSS 5 3 1 0 Updated Mar 23, 2026
  • publ-a11y Public

    Accessibility related discussions of the Publishing@W3C Groups

    HTML 37 6 56 1 Updated Mar 23, 2026
  • css-validator Public

    W3C CSS Validation Service

    Java 234 115 57 7 Updated Mar 23, 2026
  • lws-protocol Public

    Linked Web Storage Protocol

    HTML 23 7 32 8 Updated Mar 23, 2026
  • a11y-discov-vocab Public

    Repository for the maintenance of the schema.org accessibility property values for discoverability.

    HTML 27 14 17 1 Updated Mar 23, 2026
  • epub-specs Public

    Shared workspace for EPUB 3 specifications.

    HTML 363 65 63 7 Updated Mar 23, 2026
  • wcag Public

    Web Content Accessibility Guidelines

    HTML 1,389 383 490 99 Updated Mar 23, 2026
  • webref Public

    Machine-readable references of terms defined in web browser specifications

    JavaScript 415 MIT 118 51 4 Updated Mar 23, 2026
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