Semantic UI
Semantic is a UI component framework based around useful principles from natural language. observed · 2026-08-28
Health v2 · maintenance only
23/100
- Activity 0
- Release rhythm 8
- Longevity 100
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4895
- days_rel: n/a
- days_push: 644
- n_releases_24m: 0
Adoption not part of the score
51027 stars · 4855 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded
Semantic UI is a CSS/JS UI component framework offering 50+ elements with deep theming via 3000+ CSS variables and LESS-based variable inheritance. It ships as core, CSS-only, LESS-only packages plus official integrations like Semantic UI React.
Use cases
- build responsive websites with prebuilt ui components
- theme a component library with css variables
- add dropdowns, popups, and sidebars to a website
- use semantic ui components in react
- style a site with a flexbox-friendly css framework
When to choose
- you want highly customizable theming with css variables and less
- you need a mature, production-ready component set without a heavy js framework
- you are maintaining an existing semantic ui codebase or using semantic-ui-react
When to avoid
- you are starting a new project needing active development and modern tooling
- you want a react-first component library with typescript support
- you need tailwind-style utility classes rather than semantic class names
Facets
framework · maturity maintenance
ui-components css-framework frontend-framework theme web-development frontend web-design cross-platform semantic-ui less theming flexbox javascript react-bindings web-server nodejs
1 source
- readme: https://github.com/Semantic-Org/Semantic-UI · fetched 2026-08-28 · e25354dba454
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| Semantic-Org/Semantic-UI | main | 23 |
| Semantic-Org/Semantic-UI-React | sdk | 23 |
For agents
markdown · JSON · MCP: product_card(name="Semantic-Org/Semantic-UI")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem