Astryx vs Mantine
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
An open source React design system of accessible components, themes, and a CLI, built for people and AI agents
Open source · MIT
A React component library with 100+ UI components and 80+ hooks, MIT licensed.
The short answer
Choose Astryx if you need…
- React teams that want a ready-made, accessible component library
- Designers who want to customize the look through CSS theme variables
- Teams already using AI coding assistants who want consistent, documented components
- Developers who want to copy component source into their own project and modify it
Choose Mantine if you need…
- React developers building web apps who want many components out of the box
- Teams that want dark mode and theming support built in
- Developers who need forms, notifications, or charts without assembling separate libraries
- Projects written in TypeScript
Side-by-side
| Astryx | Mantine | |
|---|---|---|
| Type | Library | Library |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 13.8k | 31.9k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | Install with a package manager | Install with a package manager |
| Main language | TypeScript | TypeScript |
| Last code update | 4 days ago | 4 days ago |
What each one is
Astryx
Astryx is a design system: a set of pre-built React components, themes, and templates that help teams build consistent user interfaces faster. It grew inside Meta and the README says it ships 150+ accessible components, dark mode, and a CLI. It is designed so both people and AI coding assistants can use the same docs and tooling.
Mantine
Mantine is a collection of ready-made user interface parts (buttons, forms, modals, and more) for building websites and apps with React and TypeScript. It also includes a set of helper hooks for common state and UI tasks. Developers use it to build interfaces faster instead of writing every component from scratch.
Best for
Astryx
- React teams that want a ready-made, accessible component library
- Designers who want to customize the look through CSS theme variables
- Teams already using AI coding assistants who want consistent, documented components
- Developers who want to copy component source into their own project and modify it
Mantine
- React developers building web apps who want many components out of the box
- Teams that want dark mode and theming support built in
- Developers who need forms, notifications, or charts without assembling separate libraries
- Projects written in TypeScript
Strengths
Astryx
- Components are documented and follow consistent naming and prop conventions, according to the README
- Styling can be overridden with Tailwind, CSS modules, or plain CSS, so it does not force one styling approach
- Has a large real-world user base inside Meta, per the README, and is MIT licensed
Mantine
- Large set of components and hooks covering many common needs
- Packaged as modular @mantine packages, so you can install only what you use
- Released under the permissive MIT license
Not ideal for
Astryx
- Projects that need a stable, long-term API: the README says Astryx is currently in Beta
- Projects not using React 19 or later, which is a stated requirement
- Teams that want a design system with no code to adopt or maintain, since it requires installing packages and wiring up themes
Mantine
- People who are not writing React code, since the library is only for React
- Projects that need a design system fully different from Mantine's look without customization work
- Beginners with no React experience, who should learn React basics first
Trade-offs
Astryx
- The README says it is currently in Beta, so APIs may change
- Requires React 19 or later and several npm packages to get started
- Some packages such as charts are only available under a canary tag with no stable release yet
Mantine
- Requires working knowledge of React and TypeScript
- Large ecosystem of packages means more to learn and keep updated
- Some features rely on third-party tools such as Recharts, highlight.js, and Tiptap, which add their own dependencies
Getting started
Astryx
Install core, theme, and peer dependencies with npm
npm install @astryxdesign/core @astryxdesign/theme-neutral @stylexjs/stylexInstall the CLI as a dev dependency
npm install -D @astryxdesign/cliMantine
Clone the repository (source access)
git clone https://github.com/mantinedev/mantineFrequently asked questions
What is the difference between Astryx and Mantine?
Astryx: An open source React design system of accessible components, themes, and a CLI, built for people and AI agents. Mantine: A React component library with 100+ UI components and 80+ hooks, MIT licensed. Astryx suits react teams that want a ready-made, accessible component library, while Mantine suits react developers building web apps who want many components out of the box.
Are Astryx and Mantine free?
Astryx: Free and open source. Mantine: Free and open source.
Is Astryx or Mantine more popular?
Mantine has more GitHub stars (31.9k) than Astryx (13.8k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to Astryx and Mantine?
Other options people compare them with include Material UI, Chakra UI, Ant Design, CustomTkinter, Zustand.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.