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.

Fast C++ logging library.

• UpdatedDec 15, 2025
• C++

Like Prometheus, but for logs.

• UpdatedDec 18, 2025
• Go

Structured, pluggable logging for Go.

• UpdatedOct 23, 2025
• Go

APM, Application Performance Monitoring System

• UpdatedDec 17, 2025
• Java

Blazing fast, structured, leveled logging in Go.

• UpdatedNov 19, 2025
• Go

Python logging made (stupidly) simple

• UpdatedNov 8, 2025
• Python

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

• UpdatedDec 1, 2025
• PHP

Never use print for debugging again

• UpdatedMay 31, 2025
• Python

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

• UpdatedDec 17, 2025
• Go

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

• UpdatedDec 17, 2025
• Java

Fluentd: Unified Logging Layer (project under CNCF)

• UpdatedDec 16, 2025
• Ruby

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

• UpdatedDec 16, 2025
• Objective-C

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

• UpdatedDec 16, 2025
• Go

Zero Allocation JSON Logger

• UpdatedDec 18, 2025
• Go

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

• UpdatedSep 13, 2025
• JavaScript

Realtime log viewer for containers. Supports Docker, Swarm and K8s.

• UpdatedDec 17, 2025
• Go

Main Sigma Rule Repository

• UpdatedDec 15, 2025
• Python

Log file navigator

• UpdatedDec 16, 2025
• C++

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.

• UpdatedDec 18, 2025
• C++

Free and open log management

• UpdatedDec 18, 2025
• Java