Best U.S. Web Design System Alternatives in 2026

Updated October 2026

20 apps from UI kit libraries ranked against U.S. Web Design System on the same published basis.

1
Figma Wireframe Kit Free plan AndroidextensioniOSMacWeb Free6.6
U.S. Web Design System vs Figma Wireframe Kit
2
Ant Design Icons Free plan AndroidiOSWeb Free6.5
U.S. Web Design System vs Ant Design Icons
3
Carbon Design System Free plan Web Free6.4
U.S. Web Design System vs Carbon Design System
4
Clarity Design System Free plan Web Free6.4
U.S. Web Design System vs Clarity Design System
5
Flowbite Figma Design System Free plan Web Free6.4
U.S. Web Design System vs Flowbite Figma Design System
6
GOV.UK Design System Free plan self-hostedWeb Free6.4
U.S. Web Design System vs GOV.UK Design System
7
Material Design for Bootstrap Free plan self-hostedWeb Free6.4
U.S. Web Design System vs Material Design for Bootstrap
8
Shadcn Studio Figma UI Kit Free plan Web Free6.4
U.S. Web Design System vs Shadcn Studio Figma UI Kit
9
Singapore Government Design System Free plan apiWeb Free6.4
U.S. Web Design System vs Singapore Government Design System
10
UI Prep Design System Free plan Web Free6.4
U.S. Web Design System vs UI Prep Design System
11
Untitled UI Free plan Web Free6.4
U.S. Web Design System vs Untitled UI
12
Angular Material Free plan Web Free6.3
U.S. Web Design System vs Angular Material
13
jQWidgets Free plan Web Free6.3
U.S. Web Design System vs jQWidgets
14
Material 3 Design Kit Free plan Web Free6.3
U.S. Web Design System vs Material 3 Design Kit
15
react-md Free plan Web Free6.3
U.S. Web Design System vs react-md
17
Adobe Spectrum AndroidiOSMacWebWin 5.7
U.S. Web Design System vs Adobe Spectrum
18
Figma Simple Design System Web 5.4
U.S. Web Design System vs Figma Simple Design System
19
Lightning Design System Web 5.4
U.S. Web Design System vs Lightning Design System
20
Automattic Design System Web 5.2
U.S. Web Design System vs Automattic Design System
21
GitHub Primer Web 5.1
U.S. Web Design System vs GitHub Primer

U.S. Web Design System alternatives compared

#	App	Score	Free plan	From	Runs on
1	Figma Wireframe Kit	6.6	Free plan	Free	Android, Browser, iOS, Mac, Web, Windows
2	Ant Design Icons	6.5	Free plan	Free	Android, iOS, Web
3	Carbon Design System	6.4	Free plan	Free	Web
4	Clarity Design System	6.4	Free plan	Free	Web
5	Flowbite Figma Design System	6.4	Free plan	Free	Web
6	GOV.UK Design System	6.4	Free plan	Free	self-hosted, Web
7	Material Design for Bootstrap	6.4	Free plan	Free	self-hosted, Web
8	Shadcn Studio Figma UI Kit	6.4	Free plan	Free	Web
9	Singapore Government Design System	6.4	Free plan	Free	API, Web
10	UI Prep Design System	6.4	Free plan	Free	Web
11	Untitled UI	6.4	Free plan	Free	Web
12	Angular Material	6.3	Free plan	Free	Web
13	jQWidgets	6.3	Free plan	Free	Web
14	Material 3 Design Kit	6.3	Free plan	Free	Web
15	react-md	6.3	Free plan	Free	Web
17	Adobe Spectrum	5.7	No	—	Android, iOS, Mac, Web, Windows
18	Figma Simple Design System	5.4	No	—	Web
19	Lightning Design System	5.4	No	—	Web
20	Automattic Design System	5.2	No	—	Web
21	GitHub Primer	5.1	No	—	Web

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Questions about U.S. Web Design System alternatives

What is the best alternative to U.S. Web Design System?

Figma Wireframe Kit, number 1 in UI kit libraries with a score of 6.6 out of 10. The others here: Ant Design Icons, Carbon Design System, Clarity Design System and 16 more.

What is the best free alternative to U.S. Web Design System?

Figma Wireframe Kit is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.