GitHub - facebook/astryx: An open source design system that's fully customizable and agent ready

Astryx is an open source design system born from years of building internal tools at scale in Meta's monorepo. It has grown inside Meta over the last eight years and powers over 13,000 apps, shaped by the engineers, designers, and product teams who depend on it every day. It provides the foundations, components, templates, and themes that work together to deliver consistent, accessible interfaces

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ReactとStyleXで実装されたMetaのデザインシステム。 `@astryxdesign/core`でコンポーネントとテーマを提供し、`@astryxdesign/cli`でテンプレート/scaffolding/テーマ/codemodなどを扱える。