Logging

spdlog

by gabime

Fast C++ logging library.

loki

by grafana

Like Prometheus, but for logs.

logrus

by sirupsen

Structured, pluggable logging for Go.

skywalking

by apache

APM, Application Performance Monitoring System

zap

by uber-go

Blazing fast, structured, leveled logging in Go.

loguru

by Delgan

Python logging made (stupidly) simple

openobserve

by openobserve

Open source observability platform for logs, metrics, traces, RUM (web, android, ios), Session replay, pipelines, SLO and LLM observability. A sophisticated, simple and highly…

monolog

by Seldaek

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

gofr

by gofr-dev

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

PySnooper

by cool-RR

Never use print for debugging again

logstash

by elastic

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

dozzle

by amir20

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

fluentd

by fluent

Fluentd: Unified Logging Layer (project under CNCF)

CocoaLumberjack

by CocoaLumberjack

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

gf

by gogf

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

zerolog

by rs

Zero Allocation JSON Logger

quickwit

by quickwit-oss

Cloud-native OSS search engine for observability

debug

by debug-js

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

sigma

by SigmaHQ

Main Sigma Rule Repository

lnav

by tstack

Log file navigator

hyperdx

by hyperdxio

Resolve production issues, fast. An open source observability platform unifying session replays, logs, metrics, traces and errors powered by ClickHouse and OpenTelemetry.

poco

by pocoproject

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…

fluent-bit

by fluent

Fast and Lightweight Logs, Metrics and Traces processor for Linux, BSD, OSX and Windows

graylog2-server

by Graylog2

Free and open log management

viztracer

by gaogaotiantian

A debugging and profiling tool that can trace and visualize python code execution

Pulse

by kean

Network logger for Apple platforms

tracing

by tokio-rs

Application level tracing for Rust.

go-grpc-middleware

by grpc-ecosystem

Golang gRPC Middlewares: interceptor chaining, auth, logging, retries and more.

FASTER

by microsoft

Fast persistent recoverable log and key-value store + cache, in C# and C++.

opentelemetry-go

by open-telemetry

OpenTelemetry Go API and SDK

NLog

by NLog

NLog - Flexible and Structured Logging for various .NET Platforms

SwiftyBeaver

by SwiftyBeaver

Convenient & secure logging during development & release in Swift 4 & 5

clockwork

by itsgoingd

Clockwork - php dev tools in your browser - server-side component

sysmon-config

by SwiftOnSecurity

Sysmon configuration file template with default high-quality event tracing

bash-oo-framework

by niieani

Bash Infinity is a modern standard library / framework / boilerplate for Bash

structlog

by hynek

Simple, powerful, and fast logging for Python.

stern

by stern

⎈ Multi pod and container log tailing for Kubernetes

EasyLogger

by armink

An ultra-lightweight(ROM<1.6K, RAM<0.3k), high-performance C/C++ log library. | 一款超轻量级(ROM<1.6K, RAM<0.3k)、高性能的 C/C++ 日志库

logfire

by pydantic

AI observability platform for production LLM and agent systems.

log-viewer

by opcodesio

Fast and beautiful Log Viewer for Laravel

SwanLab

by SwanHubX

⚡️SwanLab - an open-source, modern-design AI training tracking and visualization tool. Supports Cloud / Self-hosted use. Integrated with PyTorch / Transformers / verl / LLaMA…

riemann

by riemann

A network event stream processing system, in Clojure.

CocoaDebug

by CocoaDebug

iOS Debugging Tool 🚀

swift-log

by apple

A Logging API for Swift

XCGLogger

by DaveWoodCom

A debug log framework for use in Swift projects. Allows you to log details to the console (and optionally a file), just like you would have with NSLog() or print(), but with…

datadog-agent

by DataDog

Main repository for Datadog Agent

angle-grinder

by rcoh

Slice and dice logs on the command line

opentelemetry-dotnet

by open-telemetry

The OpenTelemetry .NET Client

logging-log4j2

by apache

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

laravel-auditing

by owen-it

Record the change log from models in Laravel