HAProxy

IT & cloud

Open-source softwareEditorial overview
A CLOSER LOOK

What is HAProxy?

HAProxy is a load balancer and proxy for distributing TCP and HTTP traffic across backend services. It includes TCP proxying, HTTP load balancing, and backend health checks.

TCP proxying

HTTP load balancing

Backend health checks

Is it a good fit?

Best suited to

Operations teams needing controlled traffic distribution and failover

Before you choose

Advanced configurations require networking and protocol knowledge. Commercial enterprise products and support are separate offerings.

Editorial assessment based on the provider’s published information. Our method

Know what you're signing up for.

The application is distributed under GPL-2.0 and LGPL-2.1 components. The self-hosted software has no license subscription charge; servers, storage, networking, maintenance, and separately sold services remain your responsibility.

The $0 price covers the open source software license. Deployment infrastructure, operations and separately purchased services are not included.

Check current official pricing

The useful parts. The trade-offs.

Why consider it

Brings TCP proxying and HTTP load balancing into the same workflow.

Define a small backend pool, verify its health checks, and test behavior when a server is removed before applying the configuration to live traffic.

What to keep in mind

Advanced configurations require networking and protocol knowledge.

Commercial enterprise products and support are separate offerings.

How to use it well

HAProxy fits operations teams needing controlled traffic distribution and failover. Define a small backend pool, verify its health checks, and test behavior when a server is removed before applying the configuration to live traffic.

Advanced configurations require networking and protocol knowledge. Commercial enterprise products and support are separate offerings. Start with a small setup and verify credentials, network access, and recovery steps before expanding its role.

A few things you might be wondering.

Is HAProxy free?

The application is distributed under GPL-2.0 and LGPL-2.1 components. The self-hosted software has no license subscription charge; servers, storage, networking, maintenance, and separately sold services remain your responsibility.

Can I use HAProxy for TCP proxying?

Yes. HAProxy includes TCP proxying. Define a small backend pool, verify its health checks, and test behavior when a server is removed before applying the configuration to live traffic.

Does HAProxy include commercial enterprise support?

Commercial enterprise products and support are separate offerings.

Where can I check the latest prices?

Use the provider link on this page. Billing period, location, team size, promotions, taxes, and optional extras may affect the amount you pay.

How should I compare this tool with alternatives?

Choose tools for the same task, then compare their feature limits, platform support, and total cost for your team. The Compare button helps you keep a shortlist.

Are the user reviews moderated?

Yes. New reviews are submitted for moderation. We show published user reviews separately from the editorial overview and never assign a default user rating.

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