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Cloud · head to head

HAProxy vs Radix UI

HAProxy logo

HAProxy

Cloud

High-performance TCP and HTTP load balancer

From
Free
Rated
-
Full reviewWebsite
Radix UI logo

Radix UI

Web Development

Unstyled, accessible React component primitives

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; Radix UI you write all the styling, so time to a finished interface is much longer than with a styled library
  • They diverge on capability: HAProxy covers High throughput, Radix UI covers Unstyled primitives.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which HAProxy and Radix UI actually diverge.

Attributes where HAProxy and Radix UI differ
AttributeHAProxyRadix 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 Radix UI

  • Unstyled primitives
  • Accessibility built in
  • Composable API
  • Controlled or uncontrolled

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 Radix UI
  • Precise traffic control — rate limits, sticky sessions, complex routing rulesnot Radix UI
  • TCP load balancing for databases and non-HTTP servicesnot Radix UI

Radix UI

  • Design systems that need correct accessibility without inherited visual opinionsnot HAProxy
  • Replacing hand-built dropdowns and dialogs that have accessibility bugsnot HAProxy
  • Teams with a designer whose output should not be constrained by a library’s themenot 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

Radix UI

  • You write all the styling, so time to a finished interface is much longer than with a styled library
  • Composable part-based APIs are more verbose than a single component with props
  • Covers primitives rather than complex widgets, so data grids and date pickers come from elsewhere

Pricing, plan by plan

HAProxy

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

Radix UI

Free
  • Radix 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 Radix UI if

  • You need unstyled primitives.
  • You want to start without paying.
  • You also want accessibility built in.
Radix UI review

Questions people ask

Is HAProxy or Radix UI better?
Neither clearly leads. HAProxy starts at Free and Radix UI at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HAProxy or Radix UI?
HAProxy starts at Free and Radix UI at Free.
Does HAProxy or Radix UI run on more platforms?
HAProxy runs on Linux, Docker, Kubernetes, Self-hosted. Radix 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 Radix UI is typically brought in for.
What can HAProxy do that Radix UI cannot?
HAProxy covers High throughput, Layer 4 and 7, Health checking, Rate limiting and ACLs. Radix UI covers Unstyled primitives, Accessibility built in, Composable API, Controlled or uncontrolled.

Answered from the vendors’ own pages

HAProxy: Is HAProxy free?

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

Radix UI: Is Radix UI free?

Yes, open source under the MIT licence.

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.

Radix UI: Why use unstyled components?

Because accessibility is the hard part and visual design is the part teams want to own. Radix gives the first and stays out of the second.

HAProxy: Does HAProxy handle TLS certificates automatically?

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

Radix UI: What is the relationship with shadcn/ui?

shadcn/ui is built on Radix primitives, adding Tailwind styling and copy-paste distribution on top.

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