What is the best alternative to Semantic UI?

Based on company usage data, Bootstrap is the most widely adopted alternative, detected on 31,081 websites.

How many companies use Semantic UI?

AgentData detects Semantic UI on 102 company websites as of August 2026.

Are companies switching away from Semantic UI?

AgentData tracks technology changes across company websites. Check back for switching trends as we detect more changes.

What do Semantic UI and Bootstrap have in common?

22 companies use both tools, representing 22% of Semantic UI users.

Semantic UI alternatives

Ranked by real company usage

The most popular alternatives to Semantic UI based on AgentData's analysis of 102 company websites are Bootstrap (31,081 companies), ZURB Foundation (2,372 companies), UIKit (1,125 companies).

Semantic UI: 102 companiesCategory: UI frameworks10 alternatives found

Top alternatives to Semantic UI

Bootstrap

31,081 companies22 also use Semantic UI

2,372 companies

1,125 companies

373 companies

279 companies

173 companies

162 companies

59 companies

52 companies

#10

20 companies

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102 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=semantic-ui

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Compare

Semantic UI vs BootstrapCompare →Semantic UI vs ZURB FoundationCompare →Semantic UI vs UIKitCompare →Semantic UI vs Tailwind CSSCompare →

Companies using Semantic UI→

Frequently asked questions

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