SHSelfHostIndex

HAProxy

Reliable, high-performance TCP/HTTP load balancer

Reverse Proxy & Gateways ★ 6.9k stars Hard setup GPL-2.0

HAProxy is a fast and reliable open-source load balancer and reverse proxy for TCP and HTTP applications. It is widely deployed for high-availability and high-traffic sites.

Official siteSource code

Key features

  • High-performance load balancing
  • TCP and HTTP modes
  • Detailed health checks
  • Runtime API

Strengths

  • Released under the GPL-2.0 license
  • First-class Docker support for quick deployment
  • Mature project with 6.9k GitHub stars
  • Written in C

Is HAProxy secure?

OSV.dev lists 31 published advisories for HAProxy. It doesn't publish GitHub releases we can match, so we can't say which of them apply to the current version. No known vulnerabilities is not proof of security: it means none have been publicly catalogued.

  • Most recent fixed advisory CVE-2026-90678, published 2026-09-13 (31 days ago), fixed in 3.4.4, 3.5-dev5

Source: OSV.dev, checked 2026-10-14. How this is measured.

HAProxy replaces

Self-hosted F5 BIG-IP alternativesSelf-hosted AWS ELB alternatives

Health badge

Maintain HAProxy? Add its health score to your README. The badge links back to this page.

SelfHostIndex: 89 · excellent

Markdown
[![SelfHostIndex health score for HAProxy](https://selfhostindex.com/badge/haproxy.svg)](https://selfhostindex.com/app/haproxy/)
HTML
<a href="https://selfhostindex.com/app/haproxy/"><img src="https://selfhostindex.com/badge/haproxy.svg" alt="SelfHostIndex health score for HAProxy"></a>
reStructuredText
.. image:: https://selfhostindex.com/badge/haproxy.svg
   :alt: SelfHostIndex health score for HAProxy
   :target: https://selfhostindex.com/app/haproxy/

The score is recomputed on every nightly rebuild from public repository data — see how it is calculated.

Compare HAProxy

2 head-to-head comparisons.

Similar reverse proxy & gateways apps