shouldiuse.io

Comparison

HAProxy vs Free Load Balancer

HAProxy lands on Depends, and Free Load Balancer lands on Worth it.

HAProxy versus Free Load Balancer
CompareHAProxyFree Load Balancer
VerdictDependsWorth it
Best forHigh-traffic web infrastructureHomelab builders
Who it's not forNon-technical teams wanting a dashboardProduction apps needing vendor SLA support
PrivacyMature, actively patched open-source project; several CVEs disclosed 2023-2024, including one critical (CVSS 9.1, patched).⁸No known public vulnerabilities found in the sources reviewed.13
Support qualityNo support evidence in reviewed sourcesNo support evidence in sources
Public sentimentComparisons and guides consistently describe HAProxy as fast, stable and highly configurable, but aimed at hands-on operators rather than beginners.⁴Homelab and sysadmin communities call it a full-featured, proven free balancer, though some users are unclear on free-edition limits.14
Biggest gotchaMultiple HTTP request-smuggling CVEs disclosed 2023-2024; patch promptly⁹Production support likely needs paid Kemp plans . budget for that before relying on it.15

Pick HAProxy when

  • High-traffic web infrastructure
  • Teams with in-house ops skills
  • TCP and database load balancing
  • Cost-sensitive scaling

When HAProxy is not a fit

  • Non-technical teams wanting a dashboard
  • Anyone wanting a fully managed cloud LB
  • Small sites with one server . use your host's balancer
  • Teams that won't track security patches

Pick Free Load Balancer when

  • Homelab builders
  • Budget-constrained small teams
  • Dev and test environments
  • Developers wanting GUI, not CLI config

When Free Load Balancer is not a fit

  • Production apps needing vendor SLA support
  • Open-source purists . use HAProxy or NGINX
  • Large enterprises needing HA clusters with paid support
  • Cloud-native teams better served by provider balancers

Sources

  1. HAProxy official sitehaproxy.org
    official
  2. HAProxy Load Balancer Configuration Basicshaproxy.com
    official
  3. What Is HAProxy? A Practical Guide to L4/L7 Load Balancinglogicmonitor.com
    review
  4. Traefik vs HAProxy: Which Load Balancer Reigns Supreme?wallarm.com
    review
  5. 11 Top Load Balancers for 2026xurrent.com
    review
  6. Envoy vs HAProxy: Which Proxy Server Is Right for Your Teamlast9.io
    review
  7. How to Use HAProxy for Load Balancingakamai.com
    review
  8. CVE-2023-25725: CRITICAL (CVSS 9.1) · Patchedechelongraph.io
    security
  9. HAProxy vulnerable to HTTP request/response smuggling (3.0.3)jvn.jp
    security
  10. HAProxy, powering today's applications . High Scalabilityhighscalability.com
    news
  11. Free Load Balancer (official site)freeloadbalancer.com
    official
  12. Free Web Application Firewall (WAF)freeloadbalancer.com
    official
  13. Security pagefreeloadbalancer.com
    security
  14. Kemp Load Master - Free virtual load balancerforums.lawrencesystems.com
    review
  15. No, it's not a bloody free load balancer . and never will beloadbalancer.org
    review
  16. Kemp's free load balancer . Reddit r/homelabreddit.com
    review