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Cloud · head to head

HAProxy vs shadcn/ui

HAProxy logo

HAProxy

Cloud

High-performance TCP and HTTP load balancer

From
Free
Rated
-
Full reviewWebsite
shadcn/ui logo

shadcn/ui

Web Development

Copy-paste React components you own, not a dependency

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: HAProxy configuration syntax is dense and unforgiving, with a steep initial learning curve; shadcn/ui no upgrade path: once copied, upstream fixes and improvements are yours to port by hand
  • They diverge on capability: HAProxy covers High throughput, shadcn/ui covers Copy, not install.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which HAProxy and shadcn/ui actually diverge.

Attributes where HAProxy and shadcn/ui differ
AttributeHAProxyshadcn/ui
PlatformsLinux, Docker, Kubernetes, Self-hostedWeb
CategoryCloudWeb Development

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in HAProxy

  • High throughput
  • Layer 4 and 7
  • Health checking
  • Rate limiting and ACLs

Only in shadcn/ui

  • Copy, not install
  • Radix primitives
  • Tailwind styling
  • Themeable

What people use each for

The jobs each tool is most often brought in to do.

HAProxy

  • Load balancing at traffic levels where proxy efficiency shows up in the hardware billnot shadcn/ui
  • Precise traffic control — rate limits, sticky sessions, complex routing rulesnot shadcn/ui
  • TCP load balancing for databases and non-HTTP servicesnot shadcn/ui

shadcn/ui

  • Projects already using Tailwind that need accessible components without a theming fightnot HAProxy
  • Design systems that will diverge from any library’s defaults anywaynot HAProxy
  • Teams who have been burned by breaking changes in component library upgradesnot HAProxy

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

HAProxy

  • Configuration syntax is dense and unforgiving, with a steep initial learning curve
  • No automatic certificate management, unlike newer servers that treat it as default behaviour
  • The built-in stats page is basic, so real observability needs exporters and dashboards
  • A dedicated load balancer is more machinery than small deployments need

shadcn/ui

  • No upgrade path: once copied, upstream fixes and improvements are yours to port by hand
  • Requires Tailwind and React, so it is not an option outside that stack
  • Component code lives in your repository, which grows it and puts maintenance on your team
  • Its popularity has made the default look recognisable, which undercuts the customisation argument

Pricing, plan by plan

HAProxy

Free
  • HAProxyFree
    • Full functionality
    • No usage limits
    • Community support

shadcn/ui

Free
  • shadcn/uiFree
    • Full functionality
    • Commercial use permitted
    • Community support

Which should you pick?

Choose HAProxy if

  • You need high throughput.
  • You want to start without paying.
  • You work on Linux, Docker, Kubernetes, Self-hosted.
  • You also want layer 4 and 7.
HAProxy review

Choose shadcn/ui if

  • You need copy, not install.
  • You want to start without paying.
  • You also want radix primitives.
shadcn/ui review

Questions people ask

Is HAProxy or shadcn/ui better?
Neither clearly leads. HAProxy starts at Free and shadcn/ui at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HAProxy or shadcn/ui?
HAProxy starts at Free and shadcn/ui at Free.
Does HAProxy or shadcn/ui run on more platforms?
HAProxy runs on Linux, Docker, Kubernetes, Self-hosted. shadcn/ui runs on Web.
Can I use HAProxy for free?
Both have a free tier, so you can try either at no cost before committing.
What is HAProxy best used for?
HAProxy is most often used for load balancing at traffic levels where proxy efficiency shows up in the hardware bill, precise traffic control — rate limits, sticky sessions, complex routing rules, tcp load balancing for databases and non-http services. Of those, load balancing at traffic levels where proxy efficiency shows up in the hardware bill and precise traffic control — rate limits, sticky sessions, complex routing rules are not what shadcn/ui is typically brought in for.
What can HAProxy do that shadcn/ui cannot?
HAProxy covers High throughput, Layer 4 and 7, Health checking, Rate limiting and ACLs. shadcn/ui covers Copy, not install, Radix primitives, Tailwind styling, Themeable.

Answered from the vendors’ own pages

HAProxy: Is HAProxy free?

Yes, the community version is open source. HAProxy Technologies sells HAProxy Enterprise separately.

shadcn/ui: Is shadcn/ui free?

Yes, open source and free for commercial use.

HAProxy: HAProxy or Nginx?

HAProxy is a specialist load balancer with deeper balancing and health-check features. Nginx also serves static content and is more approachable, which is why it is more common as a general web server.

shadcn/ui: Why is it not an npm package?

So you own the code. Components are copied into your project, which makes customisation trivial — at the cost of receiving no automatic updates.

HAProxy: Does HAProxy handle TLS certificates automatically?

No. Certificate issuance and renewal are external, unlike Caddy where it is automatic.

shadcn/ui: Do I need Tailwind?

Yes. Components are styled with Tailwind utility classes and built on Radix primitives, so both are required.

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