Meta Open-Sources Internal Design System with 150+ AI-Ready Components

Vjeux · x · 2026-08-05

Meta has open-sourced its internal design system, which has been refined for 8 years and used across more than 13,000 apps. Released under the MIT license, it has already garnered 11k stars on GitHub.

The system includes over 150 ready-to-use components, allowing developers to switch themes without touching code or dealing with build plugins. Notably, the system is optimized for AI-assisted development, enabling AI to build interfaces using the same standardized components, significantly boosting development efficiency.

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