The Most Popular Enterprise Design Systems with Open-Source Code

The most popular enterprise design systems with publicly available source code include Adobe Spectrum, Atlassian Design System, IBM Carbon, Microsoft Fluent UI, Shopify Polaris, Salesforce Lightning Design System, Material-UI (MUI), Base Web, Ant Design, and PatternFly—all featuring modular architectures, comprehensive design tokens, and active contributor communities.

Enterprise organizations rely on robust design systems to maintain visual and functional consistency across large-scale product ecosystems. The alexpate/awesome-design-systems repository curates the definitive collection of these systems, with each entry linking directly to its open-source codebase via oct

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