Logging

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In computing, logging is the act of keeping a log of events that occur in a computer system, such as problems, errors or just information on current operations.

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gabime /spdlog

Star26.8k

Fast C++ logging library.

cpp logging cpp11 header-only spdlog

UpdatedJul 17, 2025
C++

grafana /loki

Star26k

Like Prometheus, but for logs.

grafana logging prometheus loki cloudnative hacktoberfest

UpdatedJul 18, 2025
Go

sirupsen /logrus

Star25.4k

Structured, pluggable logging for Go.

go logging logrus

UpdatedJun 20, 2025
Go

apache /skywalking

Star24.4k

APM, Application Performance Monitoring System

web-performance metrics logging prometheus zabbix telegraf apm dapper ebpf service-mesh observability distributed-tracing skywalking open-telemetry

UpdatedJul 17, 2025
Java

uber-go /zap

Star23.4k

Blazing fast, structured, leveled logging in Go.

golang zap logging structured-logging

UpdatedJun 2, 2025
Go

Delgan /loguru

Star22.2k

Python logging made (stupidly) simple

python log logger logging

UpdatedJul 14, 2025
Python

Seldaek /monolog

Sponsor

Star21.3k

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

php logger logging psr-3 hacktoberfest

UpdatedJul 1, 2025
PHP

cool-RR /PySnooper

Star16.5k

Never use print for debugging again

python debugger logging debug introspection

UpdatedMay 31, 2025
Python

elastic /logstash

Star14.6k

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

java streaming jruby logging real-time-processing etl-framework

UpdatedJul 16, 2025
Java

CocoaLumberjack /CocoaLumberjack

Star13.3k

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

macos swift ios log objective-c tvos watchos cocoapods carthage logger logging lumberjack cocoalumberjack

UpdatedApr 15, 2025
Objective-C

fluent /fluentd

Star13.2k

Fluentd: Unified Logging Layer (project under CNCF)

ruby logging cncf data-collector fluentd

UpdatedJul 16, 2025
Ruby

gogf /gf

Sponsor

Star12.6k

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

go kubernetes golang framework orm microservice logging tracing go-framework goframe opentelemetry

UpdatedJul 18, 2025
Go

gofr-dev /gofr

Star12.5k

An opinionated GoLang framework for accelerated microservice development. Built in support for databases and observability.

go golang performance framework microservice server metrics rest-api logging grpc web-framework tracing http-server hacktoberfest microservice-framework golang-framework grpc-go go-framework opentelemetry grpc-golang

UpdatedJul 18, 2025
Go

rs /zerolog

Star11.6k

Zero Allocation JSON Logger

golang json logging structured-logging zerolog

UpdatedApr 18, 2025
Go

debug-js /debug

Star11.3k

A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers

javascript debugging node browser logging debug node-js

UpdatedMay 13, 2025
JavaScript

SigmaHQ /sigma

Star9.4k

Main Sigma Rule Repository

security elasticsearch monitoring splunk logging ids signatures sysmon siem

UpdatedJul 18, 2025
Python

pocoproject /poco

Star9.1k

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.

c-plus-plus json sql networking cross-platform xml logging configuration http-client redis-client http-server poco database-access mongodb-client