HAProxy Technologies

Maker of the HAProxy load balancer, with enterprise application delivery and edge security products.

HAProxy Technologies maintains HAProxy, the widely deployed open source software load balancer, and sells enterprise editions that add WAF, bot management, and rate limiting. Its products sit in front of some of the highest-traffic applications on the internet. The company bootstrapped for roughly a decade before taking outside investment in 2024.

Category: Network & Zero Trust
Founded: 2013
Funding: $10M Series A (2024, FOCUS Capital Partners); long-bootstrapped before
Website: https://www.haproxy.com

Seen at Black Hat USA 2026 (Platinum sponsor, booth 4208).

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