The best Primer CSS alternatives
8 tools that do a similar job to Primer CSS, 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
Primer CSSGitHub's CSS design system, distributed as Sass styles for building GitHub-style interfaces.
- 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
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
- 4
daisyUI
Open source · MIT · ★ 42.7k
A free component library of ready-made UI pieces for Tailwind CSS.
Best for: Developers already using Tailwind CSS who want prebuilt components; Solo builders or small teams prototyping a web interface quickly
- 5
Radix Primitives
Open source · MIT · ★ 19.5k
Unstyled, accessible React UI components for building your own design system.
Best for: Developers building a custom design system who want accessible base components; Teams adding accessible interactive widgets to an existing web app incrementally
- 6
Evergreen
Open source · MIT · ★ 12.4k
A React UI component library for building web apps, maintained by Segment.
Best for: React developers building web applications who want prebuilt components; Teams that want a consistent design language across an internal or enterprise web product
- 7
TW Elements
Open source · MIT · ★ 13.2k
A free, MIT-licensed collection of interactive UI components and templates for Tailwind CSS.
Best for: Developers already using Tailwind CSS who want prebuilt interactive components; Front-end developers prototyping landing pages or dashboards quickly
- 8
HyperUI
Open source · MIT · ★ 12.3k
Free, open-source Tailwind CSS UI components you copy and paste into your project.
Best for: Developers building marketing sites with Tailwind CSS; Developers who want starter layouts to adapt rather than build from scratch
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 Primer CSS. We don't take payment for placement.