The best Semantic UI alternatives
8 tools that do a similar job to Semantic UI, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.
You're replacing
Semantic UIA CSS and JavaScript UI component framework built around theming and readable HTML.
- 1
Bootstrap
Open source · MIT · ★ 175k
A free front-end toolkit of ready-made CSS and JavaScript for building responsive websites.
Best for: Developers building responsive websites or web app interfaces quickly; Teams that want a common design system with ready-made components
- 2
Tailwind CSS
Open source · MIT · ★ 98.3k
A utility-first CSS framework for building custom user interfaces quickly.
Best for: Web developers who build their own interfaces and want to avoid writing large custom stylesheets; Teams that want a consistent set of design utilities across a project
- 3
Material UI
Open source · MIT · ★ 99.3k
A React component library of ready-made UI pieces built on Google's Material Design.
Best for: React developers who want a consistent, prebuilt set of UI components; Teams that want to follow Material Design guidelines
- 4
Bulma
Open source · MIT · ★ 50k
A CSS framework built on Flexbox that gives you styled layout and UI classes.
Best for: Developers who want a quick, consistent styling baseline for a web page; Projects that already have their own JavaScript and only need a style layer
- 5
Floating UI
Open source · MIT · ★ 32.8k
A small JavaScript library for positioning tooltips, popovers and dropdowns next to other elements.
Best for: Web developers building tooltips, popovers, or dropdown menus; Teams that need positioning to work inside scrolling containers
- 6
Spectre.css
Open source · MIT · ★ 11.3k
A small CSS framework with ready-made styles, a flexbox grid, and components for web pages.
Best for: Developers who want a small, ready-made base for a simple website or web app; Teams that prefer plain CSS classes over a heavier JavaScript-driven UI library
- 7
Milligram
Open source · MIT · ★ 10.2k
A small CSS stylesheet framework for clean, simple page styling, around 2kb gzipped.
Best for: Developers who want a light starting point for a simple website or prototype; People who prefer writing their own HTML with minimal framework styling
- 8
SweetAlert
Open source · MIT · ★ 22.2k
A JavaScript library that replaces the plain browser alert with styled popup dialogs.
Best for: Web developers who want nicer alert and confirm popups than the browser default; Projects that already use npm and modern JavaScript imports
How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Semantic UI. We don't take payment for placement.