All design systems

Active

Actively developed React system building on GOLD; listed as a reusable pattern by the Australian Government Architecture.

Active

One of the most widely used enterprise React design systems. The family includes Ant Design Mobile, Pro Components and AntV charts.

Active

Apple does not open source a component library, but publishes official UI kits for iOS, iPadOS, macOS, watchOS and visionOS, based on the HIG and the 2025 "Liquid Glass" language.

Active

ByteDance's enterprise design system with React and Vue libraries and a theming platform (Design Lab).

NewActive

Design system for space and satellite-operations software used by the US Space Force. Stencil web components with React and Angular wrappers; audited against MIL-STD-1472H.

Active

The system behind Jira, Confluence and Trello, distributed as @atlaskit packages with design tokens, dark mode and Atlassian Sans/Mono.

Archived

Audi's vanilla CSS/JS UI kit. Archived in November 2024; use only as a historical reference.

NewActive

Skyscanner's design system with web (React), iOS (SwiftUI/UIKit) and Android (Views and Jetpack Compose) implementations, Apache 2.0. Tokens are synced from Figma variables into DTCG JSON with a `token-sync` CLI.

Active

Design system for Backstage, the developer portal Spotify open sourced and donated to the CNCF (formerly "Canon"). The closest public Spotify-originated UI system.

Limited maintenance

Uber's React implementation of the Base design language, now in limited maintenance (mirrors internal development).

NewActive

Palantir's React UI toolkit, optimized for complex, data-dense desktop web applications (not mobile-first). Licensed under an Apache 2.0-based Blueprint License that asks you not to pass derivatives off as Palantir products.

NewActive

SEEK Group's themeable React design system, built with vanilla-extract and themes for SEEK, Jobstreet and Jobsdb brands. Known for Playroom, a design-in-code prototyping tool.

NewActive

Esri's framework-agnostic web components design system for ArcGIS and map-focused apps. 1.0 shipped in January 2023; strong RTL and numbering-system localization (including Arabic numerals).

Active

Workday's design system for HR and finance products, delivered as Canvas Kit (React) with tokens and icons.

Active

IBM's open source design system for enterprise products, built on the IBM Design Language.

Active

VMware's enterprise design system. The Angular implementation is active; Clarity Core (web components) was archived on 17 February 2026.

NewActive

AWS's React design system, created in 2016 for the AWS Management Console and open sourced under Apache 2.0 in July 2022. Strong for dashboards, consoles and data-heavy business apps. Includes Gen AI patterns.

NewActive

Open source Section 508-compliant system built on USWDS, with child systems for Healthcare.gov, Medicare.gov and CMS.gov. Tokens sync both ways between Figma variables and the repo.

Active

Wikimedia's design system for Wikipedia and sister projects, built with Vue 3 and tokens.

Active

Coinbase's design system for retail, business and institutional crypto products, with web and React Native packages, tokens, icons and illustrations.

Active

Freshworks' web components design system for Freshdesk/Freshservice apps and marketplace developers.

NewActive

The French State's design system (since 2020), mandatory for all State websites and mobile apps since July 2023. Code is MIT-licensed, but **use is restricted to French State websites**: local authorities and private actors may not use it, because it carries the State's identity.

Active

Digital Dubai's unified design system for Dubai government entities (v1.00, November 2024), distributed on request.

Active

Elastic's React library and design language for Kibana and Elastic Cloud, built for data-dense interfaces.

Active

The Norwegian energy company's open source React design system and tokens (not to be confused with Ericsson's EDS).

Active

Microsoft's cross-platform design system behind Microsoft 365, Teams and Windows, with React, Web Components, iOS, Android and WinUI implementations.

NewActive

Contentful's open source design system for building and extending Contentful apps. v5 refreshed the look and switched to Phosphor Icons; the Figma libraries were updated to v6.

Active

Zendesk's design system for its customer service products, with React components and theming.

Active

Bilingual (EN/FR) framework-agnostic web components for Canada.ca and other GC sites; meant to eventually replace the Canada.ca Design System and GCWeb.

Active

Vercel's design system, documented publicly. Only the Geist font and icons are open source.

Active

BBC's design framework: public guidelines and technical guides for accessible, responsive components (guidance first, not a packaged library).

Active

Pinterest's React design system, known for strong accessibility documentation.

Active

Community successor to the decommissioned Australian Government Design System. Low activity since 2021-2022.

Active

The UK government's design system, implemented in GOV.UK Frontend. The model for many government systems worldwide.

Active

Yandex's open source design system and React UI kit, used in Yandex Cloud and internal tools.

Active

HashiCorp's design system for HCP and its products: Ember components, tokens and the Flight icon set.

NewActive

HPE's design system, built on Grommet (React) with the `grommet-theme-hpe` theme and `hpe-design-tokens`. Theme v8 (October 2025) introduced "Landmark", HPE's refreshed visual language, switching to the Graphik typeface and new HPE icons.

NewActive

InstUI, the open source (MIT) React design system behind Canvas LMS, used by millions of learners. 100+ packages, 4 built-in themes including high contrast, WCAG 2.1 AA, RTL support.

Active

Open source system UK intelligence agencies use for specialist apps; Stencil web components with React wrappers.

Active

Salesforce's design system for the Lightning platform, implemented through Lightning Web Components. SLDS 2 ("Cosmos") adds styling hooks and agentic experience patterns.

NewActive

ING's open source, white-label, framework-agnostic web components (WCAG 2.2 AA target). ING's own branded library (ing-web) is a thin layer on top. Ideal as an accessible base for building your own branded system.

Limited maintenance

Google's open source design system for Android, Flutter and the web. "M3 Expressive" adds vibrant color, motion physics, toolbars and split buttons.

Active

Extends GOV.UK Frontend with case-working components for justice services.

Active

Cisco Webex's design system with web components, tokens and icons.

Active

Public documentation; the Vue component code is internal/licensed, not open source.

Active

The design system in the NHS digital service manual, built on GOV.UK patterns.

NewActive

A community-driven system where Dutch government organizations co-build shared, accessible components, then apply their own brand through design tokens. Licensed EUPL 1.2. Municipalities (Utrecht, Amsterdam, The Hague) and agencies (Logius, MinBZK) run their own themes on the shared architecture.

Active

Nordhealth's web components design system for healthcare software. Docs are public; code ships via npm, not an open repo.

Active

JD.com's mobile-first Vue and React component library for e-commerce.

Active

Okta's design system for its identity products, built on MUI with Okta tokens and themes.

NewActive

Orange's fully open source design system for web, Android, iOS and TV: around 100 components and 1,700+ "Solaris" icons. Boosted is the Orange-branded, accessibility-enhanced Bootstrap distribution. A new Orange Unified Design System (OUDS) is in development.

Active

Kiwi.com's open source React design system for travel products, with tokens and theming.

Active

The FT's frontend component system across FT.com and internal products.

Active

GitLab's design system, implemented as GitLab UI (Vue) and hosted on GitLab.com.

Active

Twilio's accessible React design system with theming and tokens, used across Twilio Console and Segment.

Active

Red Hat's open source design system for enterprise and hybrid-cloud products such as OpenShift. Current version: PatternFly 6.

Active

Saudi Arabia's mandatory, Arabic-first (RTL) national design system for .gov.sa platforms ("كود المنصات"), reported at v4.0.0.

Limited maintenance

Shopify's design system for the admin and apps. Polaris React is deprecated (repo archived 11 September 2026). Polaris Web Components (released 1 October 2025, loaded from Shopify's CDN) are the supported path.

Active

Porsche's web design system (v4), shipped as web components with React, Angular and Vue wrappers.

Active

GitHub's design system: Primer React, Primer ViewComponents (Rails), CSS and Primer Primitives tokens.

Active

Mozilla's design system for its websites, such as mozilla.org.

Active

Unstyled accessible Primitives and a styled Themes library from WorkOS; the base for shadcn/ui and many brand systems.

Active

Web components system for Red Hat's brand and marketing sites (separate from product UI).

Active

JetBrains' React library for its web products (YouTrack, Hub, TeamCity web).

Active

Apache 2.0 design system for vic.gov.au, used by 50+ government sites.

Active

Grafana's design system, implemented in `@grafana/ui` inside the Grafana monorepo.

Active

J.P. Morgan's open source design system for financial web apps and data-dense trading UIs, succeeding its UI Toolkit.

Active

SAP's Fiori design language implemented as framework-agnostic UI5 Web Components (with React wrappers) and OpenUI5.

Active

Telekom's open source (MPL 2.0) web components design system, still labeled "open beta". Brand assets are reserved.

Active

Sprout Social's open source design system with "Racine" React components, tokens and content guidelines.

Active

Siemens' open source design system for industrial software and IoT apps; Stencil web components with Angular, React and Vue wrappers.

NewActive

Singapore's open source government design system, aligned with the Digital Service Standards. SGDS v3 was rebuilt with a token architecture, advanced theming for agency sub-brands, and tighter Figma-code alignment.

Active

The Guardian's design system (typography, color, layout, React components) in the `csnx` monorepo.

Active

Adobe's design system across Creative Cloud and Document Cloud. Spectrum 2, announced December 2023, is rolling out across Adobe apps and ships as `@react-spectrum/s2`.

Active

Tencent's enterprise design system with Vue, React, Angular, mini-program, Flutter and mobile implementations.

Active

The US federal design system for accessible, mobile-friendly government sites (21st Century IDEA Act, Section 508).

Active

The UAE federal government's open source design language system (v3.0) for federal entity sites, built on Tailwind CSS with full Arabic RTL support.

NewActive

VA.gov's front-end framework, built on USWDS, with a web component library and a CSS library (tokens in CSS, SCSS, JSON). Very active: frequent releases (v54.x in early 2026).

Active

Canonical's Sass/CSS framework for ubuntu.com and its products, with a React companion library.

Active

Volvo Cars' React UI library on npm under an "UNLICENSED" license: public, not open source.

Active

monday.com's open source React design system for the Work OS and its app marketplace.

Active

VK's React library for VK Mini Apps and VK web interfaces, adapting between mobile and desktop.

Active

Wise's public design guidelines, implemented in the open source Neptune web library.

Active

Wix's React library for the Wix Business Manager and app-market developers.

Active

The `@wordpress/components` library powering the Gutenberg block editor and WordPress admin.

Active

The Washington Post Design System: React components and tokens.