HAProxy

High-performance load balancer

82
Project is healthy
Funding
Stable
Maintenance
Active
Contributors
Healthy
Bus Factor
Low risk
Metrics last updated: 6 days ago (2026-02-07)

Overview

HAProxy is a free, very fast, and reliable reverse proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.

Importance

  • Powers high-traffic websites
  • Foundation for load balancing
  • Critical for application availability
  • Used by GitHub, Reddit, and more

Key Features

  • Layer 4 and 7 load balancing
  • SSL termination
  • Health checking
  • Rate limiting

Sustainability

HAProxy has commercial backing from HAProxy Technologies. The open-source project benefits from corporate support.

Dependencies

HAProxy
unknown

Dependency Chain

Upstream
OpenSSL zlib Linux Kernel
HAProxy

Impact Analysis

3 Direct Dependencies
0 Dependent Projects
🔝 Top-level project