🆚 Codex vs. USWDS

Codex is the official design system for Wikimedia that provides a unified toolkit and guidelines for user interface design.

It includes design tokens for consistent styling, a library of UI components built for accessibility and internationalization, a set of icons with language and directionality variants, and supports Vue-based and CSS-only implementations.

The U.S. Web Design System (USWDS) is an open-source design system developed by the United States government to help federal agencies build fast, accessible, and mobile-friendly websites.

It provides a library of reusable UI components, design patterns, and production-ready code with built-in compliance for standards such as Section 508 and the 21st Century IDEA, along with utilities, templates, and standardized design variables for color, typography, and spacing.

Popularity

Determined by the number of sites using each technology.

• 🥈 Second most popular in Germany in the Design Systems category.
• ⭐ 4th most popular in the United States in the Design Systems category.

• 🥈 Second most popular in the United States in the Design Systems category.
• 🔥 17th most popular in the United States in the UI Frameworks category.

Top sites

Top-ranked sites that use these technologies.

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• Codex technology profile
• Wikimedia Foundation company profile

• USWDS technology profile
• GSA company profile