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.

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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.

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High Availability

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

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Application Acceleration

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

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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.

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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.

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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

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

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HAProxy Enterprise

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.

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ALOHA Hardware Appliance

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

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ALOHA Virtual Appliance

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

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Latest Blog Posts

HAProxy Rate Limiting: Four Examples

Use rate limiting in HAProxy to stop clients from making too many requests and promote fair usage of your services. Rate limiting in HAProxy stops a client from making too many requests during a window of time. You might have a policy that stipulates how many requests...