Comparison

shadcn/ui vs Preline

shadcn/ui and Preline both land 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.

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.

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