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shadcn/ui vs Preline

shadcn/ui and Preline both land on Worth it.

Preline

preline.co

Worth it
Confidence: Medium

Buy the free core if your team builds Tailwind-based sites . it's open-source and free even for commercial use.

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shadcn/ui versus Preline
Compareshadcn/uiPreline
VerdictWorth itWorth it
Best forReact + Tailwind product teamsTailwind-based marketing sites
Who it's not forNon-React stacks (Vue, Svelte, plain HTML)React/Vue SPAs . reported broken
PrivacyOpen source with no vendor security page found; real CVEs exist in ecosystem registry components plus documented registry-injection risk.⁸No known public vulnerabilities found in the sources reviewed.
Support qualityCommunity-only support via GitHub discussionsNo support-quality signals in sources
Public sentimentSentiment is strongly positive on speed and design quality, with recurring complaints about maintenance overhead and beginner-unfriendliness.⁴Tailwind community reception is broadly positive, praising clean and comprehensive components, with recurring complaints about SPA and some backend-stack integrations.
Biggest gotchaThird-party registry components are a real attack surface: Plate editor shipped XSS CVEs apps inherited.⁸SPA apps: Preline's JS reportedly fails with client-side routing15

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

Pick Preline when

  • Tailwind-based marketing sites
  • Admin dashboards and SaaS UIs
  • Solo devs and small teams
  • Figma-to-code workflows

When Preline is not a fit

  • React/Vue SPAs . reported broken
  • Non-Tailwind projects
  • Teams needing native React components
  • Enterprises needing a vendor security page

Sources

  1. shadcn/ui . The Foundation for your Design Systemui.shadcn.com
    official
  2. What is shadcn/ui? A developer's guide (Vercel)vercel.com
    official
  3. Is shadcn/ui free? Licensing, what's includedshadcndesign.com
    news
  4. I don't understand, why so many people use Shadcn ui?reddit.com
    review
  5. What I DON'T like about shadcn/uidev.to
    review
  6. The BIG Problem With Shadcn UI…youtube.com
    review
  7. Is Shadcn Worth the Headaches?reddit.com
    review
  8. CVE-2026-88976: Plate Rich-Text Editor XSS Vulnerabilitysentinelone.com
    security
  9. The Risk of Registry Injection Attacks with shadcndev.to
    security
  10. Companies that use shadcn UI (60)theirstack.com
    news
  11. Preline UI GitHub repositorygithub.com
    official
  12. preline on npmnpmjs.com
    official
  13. Preline Pricingpreline.co
    official
  14. Preline MCP and Agent Skillspreline.co
    official
  15. Preline doesn't function at all in SPA . issue #224github.com
    review
  16. Preline UI combined with Livewire . r/PHPhelpreddit.com
    review