Apache Logging Services

The Apache Logging Services project creates and maintains open-source software related to the logging of application behavior and released at no charge to the public.

Celebrating Two Decades of Innovation with Apache Log4j

Logging Frameworks


A versatile, industrial-grade Java logging framework composed of an API, its implementation, and components to assist the deployment for various use cases.

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Log4j® Kotlin

A Kotlin-friendly interface to log against the Log4j® API.

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Log4j® Scala

A Scala-friendly interface to log against the Log4j® API.

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A logging framework for C++ patterned after Log4j®.

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A port of the Log4j® to the Microsoft .NET runtime.

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Advanced Log Processing

Log4j® Audit

Audit logging framework built upon Apache Log4j®.

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Distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log data.

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Dormant Projects

Logging Services projects that are no longer actively maintained.

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