Mantine
Depends
Confidence: Medium
Use it if your team builds React apps and likes its look . breadth and developer experience are real, and it is free.
Comparison
Mantine vs shadcn/ui
Mantine lands on Depends, and shadcn/ui lands on Worth it.
shadcn/ui
Worth it
Confidence: Medium
Free and excellent if your team writes React and Tailwind and wants to own its UI code outright.
| Compare | Mantine | shadcn/ui |
|---|---|---|
| Verdict | Depends | Worth it |
| Best for | React web app teams | React + Tailwind product teams |
| Who it's not for | Non-React (Vue, Svelte, Angular) projects | Non-React stacks (Vue, Svelte, plain HTML) |
| Privacy | Core @mantine/core shows no known CVEs on Snyk; deprecated @mantine/rte had severe vulnerabilities and open CSP issues exist.⁸ | Open source with no vendor security page found; real CVEs exist in ecosystem registry components plus documented registry-injection risk. |
| Support quality | Sponsor-funded OSS, no vendor SLA | Community-only support via GitHub discussions |
| Public sentiment | Developers praise Mantine's breadth and DX over Material UI while criticizing its opinionated style and maintainer-driven direction.⁵ | Sentiment is strongly positive on speed and design quality, with recurring complaints about maintenance overhead and beginner-unfriendliness.16 |
| Biggest gotcha | Old @mantine/rte rich-text package had severe vulnerabilities, then was deprecated . audit ecosystem packages before adopting⁸ | Third-party registry components are a real attack surface: Plate editor shipped XSS CVEs apps inherited. |
Pick Mantine when
- React web app teams
- Indie devs wanting free polished UI
- Design-to-code teams (strong Figma kit)
- Dashboards and admin panels
When Mantine is not a fit
- Non-React (Vue, Svelte, Angular) projects
- Teams that hate opinionated styling
- Apps needing strict CSP out of the box
- Enterprises wanting vendor SLAs and paid support
Pick shadcn/ui when
- React + Tailwind product teams
- Startups building their own design system
- Devs who want to own component code
- AI-assisted workflows (v0, Cursor)
When shadcn/ui is not a fit
- Non-React stacks (Vue, Svelte, plain HTML)
- Beginners who haven't learned React and Tailwind
- Teams wanting automatic npm updates and vendor support
- No-code founders building without developers
Sources
- Mantine official sitemantine.devofficial
- Mantine GitHub repositorygithub.comofficial
- Mantine Reviews (2025) | Product Huntproducthunt.comreview
review
review
- Mantine, is that great? - Redditreddit.comreview
security
- @mantine/core | Snyksnyk.iosecurity
- mantine-datatable compromised - owner account suspended | Hacker Newsnews.ycombinator.comnews
official
- shadcn/ui . The Foundation for your Design Systemui.shadcn.comofficial
official
- Is shadcn/ui free? Licensing, what's includedshadcndesign.comnews