Comparison

F5, Inc. vs HAProxy Technologies

F5, Inc. and HAProxy Technologies both land on Depends.

F5, Inc.

Depends

Confidence: Medium

Buy only if you run complex, high-stakes apps at enterprise scale with dedicated network and security staff.

Depends

Confidence: Medium

Buy if you run serious traffic or Kubernetes and have ops engineers; the free open-source core is top-ranked for a reason.

F5, Inc. versus HAProxy Technologies
Compare	F5, Inc.	HAProxy Technologies
Verdict	Depends	Depends
Best for	Large enterprises with dedicated NetSec teams	High-traffic web apps and APIs
Who it's not for	Startups and small teams needing simple load balancing	Simple sites behind one server
Privacy	High-risk: nation-state breach disclosed Oct 2025; steady CVE advisory stream since.^⁴	Actively patched; several DoS CVEs in 2025-2026; HAProxy 3.2.5 passed a French national security audit cleanly.
Support quality	No direct support-quality evidence in sources	Only 11 Gartner reviews; weak support signal
Public sentiment	Direct user reviews are scarce in public sources; employee sentiment is 77% positive across 175 reviews, while Reddit threads cite trial-licensing friction and breach fallout.^⁹	Community sentiment favors HAProxy's speed and reliability, though formal review volume is small and most debate happens in forums comparing it to rivals.¹²
Biggest gotcha	Nation-state actors (UNC5221) stole BIG-IP source code; CISA issued emergency directive ED 26-01.^⁴	Community Edition users patch CVEs themselves; missing an upgrade window means exposure¹⁶