List of open design systems

Government open design systems

Worldwide, government website design is being led by open source initiatives.

USA

• U.S. Web Design System (USWDS) — USWDS on GitHub
• USA CMS Design System — CMS on GitHub
• VA.gov Design System — VA on GitHub
• California Design System — CDS on GitHub (uses Web Components)

Europe and the UK

• GOV.UK – Design System — GOV.UK Design System on GitHub
• UK's Department for Work and Pensions Design System on GitHub
• Iceland's design system mono repository
• Portugal's Ágora Design System

Canada

• Canada – Web Experience Toolkit (WET) — WET on GitHub
• Canada – Aurora Design System — Aurora on GitHub
• British Columbia Government - Design System

Australia, NZ and Pacific

• Australia – Design System (Archive.org) — Design System Components on GitHub
• Australia's Health Design System — Health on GitHub
• NZ – Design System — govtnz-design-system on GitHub
• Singapore Government Design System — SGDS on GitHub

Municipal

• City of Helsinki Design System
• The New York Public Library's Design System — NYPL on GitHub

Other open design systems

• Okta's Odyssey Design System
• IBM's Carbon open source design system — Carbon on GitHub Carbon's Accessibility (uses Web Components)
• Impact Design System — Impact Desigh System on GitHub
• VMWare's Clarity Design System — Clarity on GitHub Clarity's Accessibility (uses Web Components)
• Emulsify — Emulsify on GitHub Emulsify's Accessibility
• ING's Lion Design System — Lion on GitHub Lion's Accessibility (uses Web Components)
• Talend's Coral Design System — Coral on GitHub (uses React Components)
• Orange Digital Accessibility — Orange a11y-guidelines on GitHub
• Google's Material Design — Material on GitHub Material's Accessibility (uses Web Components)
• Adobe's Spectrum — Spectrum's Inclusive Design (uses Web Components)
• Microsoft's Fluent Fluent UI on GitHub
• Bridge Lab's Bold — Bold on GitHub Bold's Accessibility
• Shopify's Polaris — Polaris on GitHub Polaris' Accessibility
• Intuit's Design-systems-cli — Intuit on GitHub Quickbooks' Accessibility
• Spark Design System — Spark on GitHub Spark's Accessibility
• Redhat's Patternfly — Patternfly on GitHub
• SAP's UI5 — UI5 on GitHub (uses Web Components)
• Phase2's Outline — Outline on GitHub (uses Web Components)
• Washington Post's Design System (UiKit)
• GitHub's Primer — Primer on GitHub
• Jstor's Pharos — Pharos on GitHub