Owner

w3c

247 indexed repositories · View on GitHub

ServiceWorker
Service Workers

Bikeshed · 3635 stars
epubcheck
The conformance checker for EPUB publications

Java · 1962 stars
css-houdini-drafts

Bikeshed · 1889 stars
wcag
Web Content Accessibility Guidelines

HTML · 1490 stars
webauthn
Web Authentication: An API for accessing Public Key Credentials

Bikeshed · 1461 stars
aria-practices
WAI-ARIA Authoring Practices Guide (APG)

HTML · 1353 stars
webcodecs
WebCodecs is a flexible web API for encoding and decoding audio and video.

HTML · 1287 stars
webtransport
WebTransport is a web API for flexible data transport

Bikeshed · 991 stars
clreq
Requirements for Chinese Text Layout

HTML · 809 stars
svgwg
SVG Working Group specifications

HTML · 778 stars
aria
Accessible Rich Internet Applications (WAI-ARIA)

HTML · 753 stars
manifest
Manifest for web apps

HTML · 720 stars
webdriver
Remote control interface that enables introspection and control of user agents.

HTML · 718 stars
webextensions
Charter and administrivia for the WebExtensions Community Group (WECG)

Bikeshed · 711 stars
trusted-types
A browser API to prevent DOM-Based Cross Site Scripting in modern web applications.

JavaScript · 662 stars
chinese-ig
Web中文兴趣组

HTML · 537 stars
webdriver-bidi
Bidirectional WebDriver protocol for browser automation

Bikeshed · 513 stars
payment-request
Payment Request API

HTML · 510 stars
trace-context
Trace Context

Python · 510 stars
webappsec-dbsc
Device Bound Session Credentials: A Protocol for Protecting From Cookie Theft

Bikeshed · 495 stars
227 more repositories live on View on GitHub

Beginner friendly Everything

Open All

General editorial comments on the WCAG2ICT draft Open

Difficulty 2/5 1-2 days Newbie friendliness 72/100

w3c/wcag2ict#1001 · Opened Sep 18, 2026
CI lint failure gives no details of what the lint errors are Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/browser-specs#2641 · Opened Sep 18, 2026
not all valid JSON-LD documents can be semantically compressed with CBOR-LD Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/cbor-ld#122 · Opened Sep 18, 2026
Link "TLS Keying Material Exporter" Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

w3c/webtransport#794 · Opened Sep 18, 2026
Use more globally correct example; editorial nit Open

i18n-needs-resolution

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

w3c/vcalm#724 · Opened Sep 17, 2026
Telephone numbers in Adlam Open

i:data_formats i:writing_mode l:ff question s:adlm

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

w3c/afrlreq#65 · Opened Sep 17, 2026
consider outdating the `source-of` property Open

Spec-EPUB3

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/epub-specs#3067 · Opened Sep 17, 2026
Minor link issue in published Working Group Charter Open

Difficulty 1/5 Under an hour Newbie friendliness 91/100

w3c/wot#1322 · Opened Sep 17, 2026
clarify what it means for a reserved prefix to be deprecated? Open

Spec-EPUB3

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/epub-specs#3065 · 2 comments · Opened Sep 16, 2026
Titles and status incorrectly formatted as a single word for screen reader users in the Guidelines Doc Open

Other: Guideline Approach

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/wcag3#869 · Opened Sep 16, 2026
add `acquire` and `xmp` link properties to the list of obsolete features Open

Spec-EPUB3

Difficulty 1/5 Under an hour Newbie friendliness 85/100

w3c/epub-specs#3064 · 2 comments · Opened Sep 16, 2026
[css-values-5] Move calc-size() to css-sizing-4? Open

Agenda+ css-sizing-4 css-values-5

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/csswg-drafts#14502 · 1 reaction · Opened Sep 16, 2026
Inconsistent reading order of headings and permalinks in guidelines doc Open

Other: Guideline Approach

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

w3c/wcag3#868 · Opened Sep 16, 2026
[css-values-5] calc-size() basis simplification algorithm is missing the keyword branch Open

css-values-5 editorial Needs Edits

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

w3c/csswg-drafts#14498 · 2 comments · Opened Sep 16, 2026
bad links in Usage report Open

documentation usage-report

Difficulty 2/5 1-3 hours Newbie friendliness 65/100

w3c/sdw-sosa-ssn#535 · 1 comment · 1 reaction · Opened Sep 16, 2026
Reference specific exporter constructions Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/webtransport#791 · 1 reaction · Opened Sep 16, 2026
Missing process Open

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

w3c/threat-model-web#25 · 1 comment · Opened Sep 15, 2026
The System Model Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

w3c/threat-model-web#24 · 1 comment · Opened Sep 15, 2026
'path-length' property repeats the zero rule without the 'non-percentage' qualifier the attribute has Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/svgwg#1179 · 1 comment · 1 reaction · Opened Sep 14, 2026
Minor circular reference in LanguageEntry.lang Open

Difficulty 1/5 Under an hour Newbie friendliness 91/100

w3c/string-meta#104 · Opened Sep 14, 2026
line-clamp draft specification not in sync with WPT tests Open

css-overflow-4 topic: line-clamp

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/csswg-drafts#14485 · 1 comment · Opened Sep 14, 2026
Link to `webs` method is broken Open

Difficulty 1/5 Under an hour Newbie friendliness 78/100

w3c/did-extensions#754 · 1 comment · Opened Sep 13, 2026
Value definitions should at least point to Values 4, perhaps 5? Open

Administrative Tracker css-values-4

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/csswg-drafts#14482 · 4 comments · 1 reaction · Opened Sep 13, 2026
sosa:hasSampledFeature has no successor in the 2023 edition Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/sdw-sosa-ssn#526 · 2 comments · Opened Sep 12, 2026
Add new spec: Portable Network Graphics (PNG) Specification (Fourth Edition) Open

new spec review

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/browser-specs#2637 · 3 comments · Opened Sep 11, 2026
Historic aliases Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/browser-specs#2636 · 1 comment · Opened Sep 11, 2026
Six internal links point at anchors that do not exist Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/sdw-sosa-ssn#520 · Opened Sep 11, 2026
sosa-oms:metadata has no label and no definition Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

w3c/sdw-sosa-ssn#519 · Opened Sep 11, 2026
sosa-prov.ttl mints two terms without rdfs:isDefinedBy Open

Difficulty 2/5 1-3 hours Newbie friendliness 76/100

w3c/sdw-sosa-ssn#518 · Opened Sep 11, 2026
ssn-oms.ttl restricts sosa:preparedSample, which is not a term Open

Difficulty 1/5 Under an hour Newbie friendliness 92/100

w3c/sdw-sosa-ssn#517 · Opened Sep 11, 2026
Hyphenated terms in DCAT Recommendation Open

dcat Editorial

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

w3c/dx-dcat#2 · Opened Sep 11, 2026
SVG Path API should reject flags with values other than 0 or 1 Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/svgwg#1177 · Opened Sep 11, 2026
Improve examples (state => region, use metric units?) Open

i18n-needs-resolution

Difficulty 1/5 Under an hour Newbie friendliness 68/100

w3c/vc-barcodes#73 · Opened Sep 10, 2026
VCB example and non-ASCII Open

i18n-needs-resolution

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

w3c/vc-barcodes#72 · Opened Sep 10, 2026
newline reference could use character template Open

i18n-needs-resolution

Difficulty 1/5 1-3 hours Newbie friendliness 86/100

w3c/vc-barcodes#71 · Opened Sep 10, 2026
Carousel working example: Previous and Next buttons do not move focus to selected slide Open

tutorials

Difficulty 2/5 1-3 hours Newbie friendliness 75/100

w3c/wai-website#2301 · Opened Sep 10, 2026
[css-values-5] Add syntax definitions for `sibling-count` and `sibling-index` Open

css-values-5 Needs Edits

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

w3c/csswg-drafts#14466 · Opened Sep 9, 2026
Add General Topic for each of the eight use - cases Open

Difficulty 2/5 1-3 hours Newbie friendliness 74/100

w3c/maturity-model#383 · Opened Sep 9, 2026
Add a description of the colors meaning in the diagram Open

Difficulty 2/5 1-3 hours Newbie friendliness 70/100

w3c/sdw-sosa-ssn#515 · 2 comments · Opened Sep 9, 2026
[Spanish] Writing for Web Accessibility – Tips for Getting Started Open

initial-translation

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/wai-translations#336 · 1 comment · Opened Sep 8, 2026
Add `exchangeData` to `VerifiablePresentation` datatype Open

allowed class 4 discuss

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/vc-data-model#1649 · Opened Sep 8, 2026
Use "Language Value Object" phrase within the specifications. Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/json-ld-syntax#500 · Opened Sep 8, 2026
LICENSE.md points at the wrong license Open

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

w3c/vcalm-test-suite#5 · 1 comment · Opened Sep 8, 2026
[mediaqueries-5] Define media feature value `false` to evaluate to false in boolean context Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/csswg-drafts#14458 · Opened Sep 8, 2026
[css-scroll-snap-1] Revisit the "non-scroll containers can capture snap positions" behavior Open

Async Resolution: Proposed css-scroll-snap-1

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/csswg-drafts#14445 · 1 comment · 1 reaction · Opened Sep 4, 2026
Implementation report: dbsc-server (TypeScript server library for Node, Bun, Deno) Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

w3c/webappsec-dbsc#267 · Opened Sep 4, 2026
Add note about `\u` entities being decoded via `JSON.parse()`. Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/json-ld-syntax#499 · 1 comment · 2 reactions · Opened Sep 2, 2026
Associate the labels with the form controls for "address of reference document" and "address of new document" Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

w3c/htmldiff-ui#27 · 1 comment · 1 reaction · Opened Sep 2, 2026
browsingContext.downloadEnd never sets the required status field Open

bug module-browsingContext

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

w3c/webdriver-bidi#1158 · Opened Sep 2, 2026
Update threat-model/README.md to be VCALM specific Open

Difficulty 2/5 1-3 hours Newbie friendliness 85/100

w3c/vcalm#714 · Opened Sep 1, 2026

Showing the newest 100

This page lists what was indexed most recently. Advanced filter has the whole inventory, narrowed by language, difficulty and how long a task takes.

Open advanced filter

w3c

Showing the newest 100

Get new issues in your inbox