SOFTWARE LICENSE GUIDE

HAProxy

HAProxy is a high-performance open-source TCP/HTTP load balancer and proxying solution.

Open SourceFree and open-source (GPLv2 / LGPLv2.1)

What it does

It distributes network traffic across multiple servers, improving application availability, performance, and reliability.

Who it may suit

System administrators and DevOps engineers needing a robust, efficient, and scalable solution for load balancing and proxying.

Free tier and license

N/A (Open Source)

Limitations to check

As open-source software, it is free to use. Enterprise support and advanced features may be available through commercial offerings from partners. Please check the official website for details.

Licensing notes

Licensed under the GNU General Public License v2 (GPLv2) and parts under LGPLv2.1.

Verification details

Last licensing verification recorded: 2026-10-28.

Directory record last updated: 2026-09-02. These are separate dates: a record update does not necessarily mean the publisher's terms changed.

AI-assisted summaries may be incomplete or outdated. Confirm licensing, pricing, and commercial-use rights in the official sources before making a business decision.

Frequently asked questions

What is load balancing?

Load balancing is the process of distributing incoming network traffic across multiple backend servers to ensure no single server becomes overwhelmed, thereby improving responsiveness and availability.

Can HAProxy be used for SSL/TLS termination?

Yes, HAProxy supports SSL/TLS termination, allowing it to handle encrypted connections and forward unencrypted traffic to backend servers, simplifying certificate management.

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