Best Open Source logging Libraries

A curated list of the most popular GitHub repositories tagged with logging. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1gabime/spdlog

Fast C++ logging library.

28,358C++

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#2grafana/loki

Like Prometheus, but for logs.

27,667Go

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#3sirupsen/logrus

Structured, pluggable logging for Go.

25,698Go

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#4apache/skywalking

APM, Application Performance Monitoring System

24,700Java

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#5uber-go/zap

Blazing fast, structured, leveled logging in Go.

24,335Go

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#6Delgan/loguru

Python logging made (stupidly) simple

23,622Python

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#7Seldaek/monolog

Sends your logs to files, sockets, inboxes, databases and various web services

21,382PHP

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#8elastic/logstash

Logstash - transport and process your logs, events, or other data

14,789Java

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#9fluent/fluentd

Fluentd: Unified Logging Layer (project under CNCF)

13,498Ruby

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#10CocoaLumberjack/CocoaLumberjack

A fast & simple, yet powerful & flexible logging framework for macOS, iOS, tvOS, watchOS and visionOS

13,344Objective-C

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#11gogf/gf

A powerful framework for faster, easier, and more efficient project development.

13,037Go

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#12rs/zerolog

Zero Allocation JSON Logger

12,219Go

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#13tstack/lnav

Log file navigator

9,635C++

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#14pocoproject/poco

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

9,362C++

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