Mozilla Firefox
Acorn
The design system for Firefox, covering the browser's typography, colour, components and patterns.
Mozilla Firefoxdesktopbrowser
54 company design systems, each with a checked link to its docs.
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Amazon Web Services
Amplify UI
AWS Amplify's connected UI library, with primitives and auth, storage and data components for web and React Native.
Amazon Web ServicesApache-2.0webreactreact-native
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Ant Group
Ant Design
Ant Group's system for enterprise web products, with React, Angular and Vue implementations and an extensive component set.
Ant GroupMITwebreactenterprise
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ByteDance
Arco Design
ByteDance's system for internal and external products, with React and Vue libraries.
ByteDanceMITwebreactvue
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Rocket Communications
Astro UXDS
A system for space-operations interfaces, used on NASA missions, with web components and designer kits.
Rocket Communicationswebweb-components
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Atlassian
Atlassian Design System
The system behind Jira, Confluence and related products, covering components, tokens, content and brand foundations.
Atlassianwebtokenscontent
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Alaska Airlines
Auro
Alaska Airlines' web-component system for booking and customer products, with published guidelines and packages.
Alaska Airlineswebweb-components
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Skyscanner
Backpack
Skyscanner's cross-platform system for web, iOS and Android, with public component packages.
SkyscannerApache-2.0webiosandroid
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Uber
Base
Uber's company-wide design language, documented alongside Base Web, the public React implementation.
UberMITwebreact
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BBC
BBC GEL
The BBC's Global Experience Language: principles, examples and guidance for the organisation's digital products.
BBCwebmediaprinciples
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Palantir
Blueprint
Palantir's React toolkit for dense desktop-class web apps, with a full set of form, table and overlay components.
PalantirApache-2.0webreactdesktop
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SEEK
Braid
SEEK's React system for job-seeking products, with strong constraints around spacing, typography and accessibility.
SEEKMITwebreactaccessibility
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IBM
Carbon Design System
IBM's open system for products and digital services, with guidelines, tokens and implementations in React, Web Components and more.
IBMApache-2.0webreacttokens
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VMware
Clarity
An accessible system of web components originally built at VMware for enterprise consoles.
VMwarewebweb-componentsenterprise
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Amazon Web Services
Cloudscape
AWS's open system for cloud consoles and service UIs, with React components and detailed usage guidance.
Amazon Web ServicesApache-2.0webreactconsole
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Coinbase
Coinbase Design System
Coinbase's system for consumer and institutional products, with a public component implementation.
Coinbasewebmobilefinance
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Datadog
DRUIDS
Datadog's system for platform and dashboard UI, aimed at dense, data-heavy screens.
Datadogwebdatadashboard
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LocalTapiola and Turva
Duet
A practical system of accessible web components, originally built for Finnish insurance products and published for reuse.
LocalTapiola and Turvawebweb-componentsaccessibility
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Elastic
Elastic UI
The component library behind Kibana and other Elastic products, aimed at dense, data-heavy web apps.
Elasticwebreactdata
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Segment
Evergreen
Segment's React UI library, built as a flexible set of primitives rather than a rigidly themed kit.
SegmentMITwebreact
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Microsoft
Fluent 2
Microsoft's cross-platform system for Windows, web, iOS and Android, with a public Fluent UI implementation.
Microsoftwindowswebcross-platform
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Contentful
Forma 36
Contentful's system for the content platform, with React components, tokens and usage guidelines.
ContentfulMITwebreact
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Zendesk
Garden
Zendesk's system for support products, with React components and documentation for designers and engineers.
ZendeskApache-2.0webreact
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Pinterest
Gestalt
Pinterest's system for web and native surfaces, with component specs and a public React library.
PinterestApache-2.0webreactnative
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Hewlett Packard Enterprise
Grommet
HPE's React component library, organised around layout, theming and accessibility for enterprise apps.
Hewlett Packard EnterpriseApache-2.0webreact
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HashiCorp
Helios
HashiCorp's open system for Terraform, Vault and related products, with foundations, components and Figma guidance published on the site.
HashiCorpMPL-2.0webtokens
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Apple
Human Interface Guidelines
Apple's platform guidance for iOS, iPadOS, macOS, watchOS, tvOS and visionOS, covering layout, components and system behaviours.
Appleiosmacoswatchosvisionos
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Culture Amp
Kaizen
Culture Amp's system for people-science products, with foundations, components and published design assets.
Culture AmpMITweb
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MongoDB
LeafyGreen
MongoDB's system for Cloud and related products, with React components and design guidance.
MongoDBApache-2.0webreact
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Salesforce
Lightning Design System
Salesforce's system for enterprise apps on the Lightning platform, with CSS, accessibility notes and platform components.
Salesforcewebenterprisecss
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ING
Lion
ING's white-label web components: accessible, unstyled primitives meant to be themed by a product team.
INGMITwebweb-componentsaccessibility
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Google
Material Design 3
Google's current system for Android, web and Flutter, built around colour roles, type roles and motion rather than a single static theme.
Googleandroidwebfluttercross-platform
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Morningstar
Morningstar Design System
Morningstar's system for investment products, covering foundations, components and usage.
Morningstarwebfinance
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Nordhealth
Nord
Nordhealth's system for clinical and health products, with a strong accessibility brief and a public component set.
Nordhealthwebaccessibilityhealth
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GitLab
Pajamas
GitLab's system for the product and marketing sites, with foundations, component specs and content guidance.
GitLabwebcontentvue
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Artsy
Palette
Artsy's design system for the art-market products, with a public React implementation.
ArtsyMITwebreact
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Twilio
Paste
Twilio's system for customer-facing consoles and docs, with tokens, components and usage guidelines.
TwilioMITwebreacttokens
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Red Hat
PatternFly
Red Hat's system for OpenShift and related consoles, with layouts, components and a public implementation.
Red HatMITwebconsoleenterprise
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Shopify
Polaris
Shopify's system for admin and merchant interfaces, with usage guidance and a public component library.
Shopifywebreactadmin
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Porsche
Porsche Design System
Porsche's branded system for web and app interfaces, with components that carry the company's typography and layout rules.
Porschewebautomotive
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GitHub
Primer
GitHub's system for github.com and the product family, with CSS, React and Rails implementations and a public icon set.
GitHubMITwebreactcss
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Mozilla
Protocol
Mozilla's system for mozilla.org and related sites, with typography, components and a public CSS codebase.
MozillaMPL-2.0webcss
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Oracle
Redwood
Oracle's design language for Cloud and enterprise applications, documented alongside the Redwood theme for Oracle JET.
Oraclewebenterprise
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JetBrains
Ring UI
JetBrains' React library for YouTrack, Hub and related products, with a large set of desktop-class controls.
JetBrainsApache-2.0webreact
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ByteDance
Semi Design
A Douyin/ByteDance system for mid- and back-office products, with a React library and theming tools.
ByteDancewebreact
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eBay
Skin
eBay's CSS component library, used across the marketplace and published as an open-source kit.
eBayMITwebcss
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Adobe
Spectrum
Adobe's design system for Creative Cloud and related products, with platform guidance and a public Spectrum implementation.
AdobeApache-2.0webreactcross-platform
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Stack Overflow
Stacks
Stack Overflow's system for the public Q&A sites and Teams, including components, icons and email patterns.
Stack OverflowMITwebcss
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Tencent
TDesign
Tencent's enterprise system, with official implementations for React, Vue, Mini Programs and more.
TencentMITwebreactvue
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Thumbtack
Thumbprint
Thumbtack's system for the customer and pro products, with tokens, components and usage notes.
ThumbtackApache-2.0web
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monday.com
Vibe
monday.com's system for the work platform, with a public React implementation known as Vibe.
monday.comwebreact
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Welcome to the Jungle
Welcome UI
The component library from Welcome to the Jungle, built for hiring products and published for reuse.
Welcome to the JungleMITwebreact
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Wise
Wise Design
Wise's system for the international-money product, covering foundations and components used across the apps.
Wisewebmobilefinance
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Workday
Workday Canvas
Workday's system for enterprise HR and finance products, with a public Canvas Kit implementation.
WorkdayApache-2.0webreactenterprise
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