Open source projects by w3c

w3c/html

Working Draft of the HTML specification

☕HTML   ★1427 stars   ⚠117 open issues   ⚭6 contributors   ☯almost 3 years old  

w3c/validator-suite

Validator Suite

☕Scala   ★57 stars   ⚠37 open issues   ⚭7 contributors   ☯over 6 years old  

w3c/sensors

Generic Sensor API

☕HTML   ★103 stars   ⚠38 open issues   ⚭6 contributors   ☯about 4 years old  

w3c/css-houdini-drafts

Mirror of https://hg.css-houdini.org/drafts

☕Makefile   ★1013 stars   ⚠156 open issues   ⚭14 contributors   ☯almost 4 years old  

w3c/manifest

Manifest for web apps

☕HTML   ★301 stars   ⚠51 open issues   ⚭18 contributors   ☯over 5 years old  

w3c/webcomponents

Web Components specifications

☕HTML   ★1878 stars   ⚠48 open issues   ⚭39 contributors   ☯about 5 years old  

w3c/web-platform-tests

Test suites for Web-platform specs — including WHATWG, W3C, and others

☕HTML   ★1477 stars   ⚠1145 open issues   ⚭278 contributors   ☯almost 7 years old  

w3c/webdriver

Remote control interface that enables introspection and control of user agents.

☕HTML   ★256 stars   ⚠91 open issues   ⚭15 contributors   ☯about 4 years old  

w3c/Amaya

Web Editor

☕C   ★48 stars   ⚠1 open issues   ⚭1 contributors   ☯over 6 years old  

w3c/w3c-api

The W3C API

☕HTML   ★86 stars   ⚠28 open issues   ⚭3 contributors   ☯over 3 years old  

w3c/webappsec

Web Application Security Working Group repo

☕HTML   ★287 stars   ⚠88 open issues   ⚭39 contributors   ☯almost 5 years old  

w3c/wcag

Web Content Accessibility Guidelines

☕HTML   ★120 stars   ⚠81 open issues   ⚭12 contributors   ☯over 5 years old  

w3c/csvw

Documents produced by the CSV on the Web Working Group

☕HTML   ★88 stars   ⚠21 open issues   ⚭17 contributors   ☯almost 5 years old  

w3c/web-nfc

Web NFC API

☕HTML   ★56 stars   ⚠23 open issues   ⚭5 contributors   ☯over 3 years old  

w3c/webrtc-pc

WebRTC 1.0 API

☕HTML   ★154 stars   ⚠89 open issues   ⚭19 contributors   ☯over 4 years old  

w3c/clreq

Requirements for Chinese Text Layout

☕HTML   ★344 stars   ⚠46 open issues   ⚭9 contributors   ☯almost 5 years old  

w3c/webpayments

The document repo for the Web Payments Working Group

☕HTML   ★112 stars   ⚠14 open issues   ⚭9 contributors   ☯about 3 years old  

w3c/wot

Web of Things

☕HTML   ★106 stars   ⚠59 open issues   ⚭26 contributors   ☯almost 4 years old  

w3c/csswg-test

The former CSS WG test repository

☕HTML   ★117 stars   ⚠1 open issues   ⚭168 contributors   ☯over 5 years old  

w3c/web-of-things-framework

☕JavaScript   ★195 stars   ⚠21 open issues   ⚭10 contributors   ☯over 3 years old  

w3c/Amaya-Editor

Amaya web editor including cvs history

☕C   ★42 stars   ⚠2 open issues   ⚭1 contributors   ☯almost 5 years old  

w3c/aria

Accessible Rich Internet Applications (WAI-ARIA)

☕HTML   ★189 stars   ⚠147 open issues   ⚭24 contributors   ☯over 4 years old  

w3c/encrypted-media

Encrypted Media Extensions -- https://w3c.github.io/encrypted-media/

☕HTML   ★107 stars   ⚠32 open issues   ⚭10 contributors   ☯about 4 years old  

w3c/a11ySlackers

☕HTML   ★37 stars   ⚠0 open issues   ⚭4 contributors   ☯over 3 years old  

w3c/webvtt

WebVTT Standard

☕HTML   ★44 stars   ⚠49 open issues   ⚭5 contributors   ☯almost 5 years old  

w3c/requestidlecallback

Cooperative Scheduling of Background Tasks

☕HTML   ★34 stars   ⚠5 open issues   ⚭6 contributors   ☯over 3 years old  

w3c/push-api

Push API -

☕HTML   ★91 stars   ⚠14 open issues   ⚭16 contributors   ☯over 4 years old  

w3c/css-validator

W3C CSS Validation Service

☕CSS   ★72 stars   ⚠20 open issues   ⚭15 contributors   ☯over 3 years old  

w3c/respec

A tool for creating technical documents and web standards

☕JavaScript   ★229 stars   ⚠126 open issues   ⚭45 contributors   ☯over 6 years old  

w3c/Mobile-Checker

The Mobile Checker is a tool for Web developers who want to make their Web page or Web app work better on mobile devices.

☕JavaScript   ★286 stars   ⚠44 open issues   ⚭7 contributors   ☯over 4 years old  

w3c/web-animations

🚫 Old repository for the Web Animations specification 🚫. Updated repository:

☕HTML   ★125 stars   ⚠4 open issues   ⚭7 contributors   ☯over 5 years old  

w3c/wai-tutorials

W3C WAI’s Web Accessibility Tutorials

☕CSS   ★119 stars   ⚠39 open issues   ⚭14 contributors   ☯almost 5 years old  

w3c/webpayments-ig

Web Payments Interest Group

☕HTML   ★22 stars   ⚠19 open issues   ⚭14 contributors   ☯about 4 years old  

w3c/media-source

Media Source Extensions

☕HTML   ★106 stars   ⚠63 open issues   ⚭6 contributors   ☯about 4 years old  

w3c/editing

Specs and explainers maintained by the editing task force

☕HTML   ★64 stars   ⚠31 open issues   ⚭15 contributors   ☯over 4 years old  

w3c/frame-timing

Redirect to WICG/frame-timing

☕HTML   ★1 stars   ⚠0 open issues   ⚭4 contributors   ☯over 2 years old  

w3c/resource-hints

Latest draft @

☕HTML   ★55 stars   ⚠17 open issues   ⚭7 contributors   ☯about 4 years old  

w3c/csswg-drafts

CSS Working Group Editor Drafts

☕HTML   ★864 stars   ⚠1014 open issues   ⚭57 contributors   ☯over 5 years old  

w3c/markup-validator

☕HTML   ★41 stars   ⚠5 open issues   ⚭8 contributors   ☯about 4 years old  

w3c/web-annotation

Web Annotation Working Group repository, see README for links to specs

☕HTML   ★77 stars   ⚠32 open issues   ⚭13 contributors   ☯about 4 years old  

w3c/aria-in-html

☕HTML   ★0 stars   ⚠0 open issues   ⚭8 contributors   ☯over 1 year old  

w3c/dwbp

This is the repo for the Data on the Web Best Practices Working Group.

☕HTML   ★45 stars   ⚠5 open issues   ⚭21 contributors   ☯almost 5 years old  

w3c/svgwg

SVG Working Group specifications

☕HTML   ★336 stars   ⚠189 open issues   ⚭16 contributors   ☯over 4 years old  

w3c/musicxml

MusicXML specification

☕XSLT   ★125 stars   ⚠80 open issues   ⚭2 contributors   ☯over 3 years old  

w3c/html-reference

HTML: The Markup Language (an HTML language reference)

☕HTML   ★25 stars   ⚠2 open issues   ⚭3 contributors   ☯almost 7 years old  

w3c/wcag-em-report-tool

Interactive Guide to Assist Managing Web Accessibility Evaluations

☕JavaScript   ★36 stars   ⚠66 open issues   ⚭3 contributors   ☯over 4 years old  

w3c/smufl

Standard Music Font Layout

☕HTML   ★65 stars   ⚠35 open issues   ⚭4 contributors   ☯over 3 years old  

w3c/web-performance

W3C Web Performance Working Group repo

☕HTML   ★114 stars   ⚠2 open issues   ⚭12 contributors   ☯over 6 years old  

w3c/preload

Latest draft @

☕HTML   ★49 stars   ⚠10 open issues   ⚭5 contributors   ☯almost 4 years old  

w3c/FileAPI

File API

☕HTML   ★43 stars   ⚠30 open issues   ⚭9 contributors   ☯over 3 years old  

w3c/browser-payment-api

W3C Web Payments Browser API

☕HTML   ★238 stars   ⚠53 open issues   ⚭14 contributors   ☯almost 3 years old  

w3c/webvr

Repository for the WebXR Device API Specification.

☕HTML   ★741 stars   ⚠92 open issues   ⚭8 contributors   ☯over 2 years old  

w3c/IndexedDB

Indexed Database API

☕HTML   ★83 stars   ⚠56 open issues   ⚭8 contributors   ☯almost 4 years old  

w3c/webmention

Webmention spec

☕HTML   ★46 stars   ⚠5 open issues   ⚭12 contributors   ☯about 3 years old  

w3c/sdw

Repository for the Spatial Data on the Web Interest Group

☕HTML   ★52 stars   ⚠14 open issues   ⚭15 contributors   ☯almost 4 years old  

w3c/mediacapture-main

Media Capture and Streams specification (aka getUserMedia)

☕HTML   ★31 stars   ⚠19 open issues   ⚭16 contributors   ☯over 4 years old  

w3c/aria-practices

WAI-ARIA Authoring Practices, maintained by ARIA WG https://www.w3.org/WAI/ARIA/

☕HTML   ★187 stars   ⚠177 open issues   ⚭14 contributors   ☯over 2 years old  

w3c/ServiceWorker

The Service Worker Specification https://w3c.github.io/ServiceWorker/

☕HTML   ★2738 stars   ⚠177 open issues   ⚭55 contributors   ☯almost 6 years old  

w3c/webappsec-csp

WebAppSec Content Security Policy

☕HTML   ★57 stars   ⚠91 open issues   ⚭28 contributors   ☯about 3 years old  

w3c/performance-timeline

Performance timeline spec from webperf

☕HTML   ★47 stars   ⚠7 open issues   ⚭10 contributors   ☯about 4 years old