Project Summary
HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for web applications under very high loads while needing persistence or Layer7 processing.
In a Nutshell, HAProxy...
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has a well established, mature codebase
maintained by a very large development team
with increasing Y-O-Y commits -
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took an estimated 85 years of effort (COCOMO model)
starting with its first commit in July, 2003
ending with its most recent commit 2 days ago
Quick Reference
GNU General Public License v2.0 or later
Permitted
Commercial Use
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Distribute
Place Warranty
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
These details are provided for information only. No information here is legal advice and should not be used as such.
MIT
Permitted
Commercial Use
Modify
Distribute
Place Warranty
Use Patent Claims
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Install Instructions
These details are provided for information only. No information here is legal advice and should not be used as such.
Project Security
Vulnerabilities per Version ( last 10 releases )
There are no reported vulnerabilities
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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nearly 1 in 3 companies have no process for identifying, tracking, or remediating known open source vulnerabilities
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55% of companies leverage OSS for production infrastructure
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30 Day SummarySep 21 2026 — Oct 21 2026
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12 Month SummaryOct 21 2025 — Oct 21 2026
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