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GitHub
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Kajabi
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Michelin
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Porsche
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U.S. Web
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Uber
Vercel
Visa
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Washington Post
Wikimedia

Wise
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Workday
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Tractie
from
NS
Foundations:
12
/
Components:
37
Tractie is the official Design System of NS Dutch Railways. It provides a shared library of typography, forms, buttons, navigation, and other UI components, with design and code fully aligned.
The system reduces the amount of unique code, applies consistent patterns, and helps teams work together more effectively. The result is faster delivery and more reliable digital products across Web, Android, and Mendix.