Comparison

Preline vs shadcn/ui

Preline and shadcn/ui both land on Worth it.

Preline

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.

Worth it

Confidence: Medium

Free and excellent if your team writes React and Tailwind and wants to own its UI code outright.

Preline versus shadcn/ui
Compare	Preline	shadcn/ui
Verdict	Worth it	Worth it
Best for	Tailwind-based marketing sites	React + Tailwind product teams
Who it's not for	React/Vue SPAs . reported broken	Non-React stacks (Vue, Svelte, plain HTML)
Privacy	No known public vulnerabilities found in the sources reviewed.¹¹	Open source with no vendor security page found; real CVEs exist in ecosystem registry components plus documented registry-injection risk.
Support quality	No support-quality signals in sources	Community-only support via GitHub discussions
Public sentiment	Tailwind community reception is broadly positive, praising clean and comprehensive components, with recurring complaints about SPA and some backend-stack integrations.^⁸	Sentiment is strongly positive on speed and design quality, with recurring complaints about maintenance overhead and beginner-unfriendliness.¹⁶
Biggest gotcha	SPA apps: Preline's JS reportedly fails with client-side routing^⁵	Third-party registry components are a real attack surface: Plate editor shipped XSS CVEs apps inherited.