Project Summary
Logback is intended as a successor to the popular log4j project. Both log4j and logback were founded by the same developer. If you are already familiar with log4j, you will quickly feel at home using logback.
In a Nutshell, Logback...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 18 years of effort (COCOMO model)
starting with its first commit in May, 2006
ending with its most recent commit 1 day ago
Quick Reference
Eclipse Public License 1.0
Permitted
Commercial Use
Modify
Distribute
Sub-License
Private Use
Use Patent Claims
Forbidden
Hold Liable
Use Trademarks
Required
Distribute Original
Disclose Source
Include Copyright
Include License
Include Install Instructions
Compensate Damages
These details are provided for information only. No information here is legal advice and should not be used as such.
GNU Lesser General Public License v2.1 only
Permitted
Commercial Use
Modify
Distribute
Forbidden
Sub-License
Hold Liable
Required
Distribute Original
Disclose Source
Include Copyright
State Changes
Include License
Include Notice
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 )
Project Vulnerability Report
Security Confidence Index
Vulnerability Exposure Index
Did You Know...
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in 2016, 47% of companies did not have formal process in place to track OS code
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you can embed statistics from Open Hub on your site
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there are over 3,000 projects on the Open Hub with security vulnerabilities reported against them
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by exploring contributors within projects, you can view details on every commit they have made to that project
30 Day SummaryJul 22 2026 — Aug 21 2026
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12 Month SummaryAug 21 2025 — Aug 21 2026
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