The #1 Open Source Software Load Balancer and Application Delivery Controller

HAProxy Technologies is the world’s leading provider of software load balancers and application delivery controllers (ADCs) for modern enterprises. HAProxy empowers users with the flexibility and confidence to deliver websites and applications with high availability, performance and security at any scale and in any environment. HAProxy’s range of solutions is backed by expert support and services.

Find Out What Our Users Are Saying About Us

HAProxy Powers the Uptime of the Cloud Era

Load Balancing

Load balance your services at any scale and in any environment with our feature-rich application delivery controllers.

Learn More

High Availability

Deliver optimal user experiences regardless of volume of visitors, number of hits, or complexity of request.

Learn More

Application Acceleration

High performance SSL offloading, advanced timings, high performance lookup maps, HTTP compression, device detection and HTTP routing.

Learn More


Receive the benefits of SSL with less hardware, reduce the number of services exposed to the Internet, stop DDoS and Brute Force attacks, detect and block SQL/XSS attacks, ensure protocol compliance and identify intrusions with our advanced logging.

Learn More


HAProxy is at the core of application delivery for some of the largest and most complex microservices architectures in the world and constantly releases new features to support these dynamic environments.

Learn More

HAProxy is container ready

HAProxy is proven as an edge proxy for load balancing your Docker nodes, allowing you to scale out whether you’re using Docker Swarm, Kubernetes, or Mesosphere. HAProxy can also be deployed as a containerized application, giving you the ultimate flexibility in how you choose to deploy.


HAProxy Products

HAProxy Community Edition

Most widely used, high performing, reliable and secure software load balancer in the world.

Compare FeaturesDownload from Community

HAProxy Enterprise Edition

Enterprise-class version of HAProxy that combines the stable and cutting-edge code bases with enterprise suite of add-ons, expert support and professional services.

Learn More | Compare Features | Download Trial

ALOHA Hardware Appliance

All of the power of HAProxy Enterprise Edition in a plug-and-play hardware appliance for organizations with physical infrastructure.

Learn More | Compare Features

ALOHA Virtual Appliance

All of the power of HAProxy Enterprise Edition in a plug-and-play virtual appliance for organizations with virtualized infrastructure.

Learn More | Compare Features | Download Trial

Latest Blog Posts

Bot Protection with HAProxy

HAProxy is a high-performance load balancer that provides advanced defense capabilities for detecting and protecting against malicious bot traffic to your website. Combining its unique ACL, map, and stick table systems with its powerful configuration language allows...