logging

🌈 slog.Handler that writes tinted (colorized) logs

Yet another LogCat reader for Android

Snoopy Command Logger is a small library that logs all program executions on your Linux/BSD system.

Express + TypeScript + Boilerplate for Web / API App

Express + TypeScript starter template

Windows tail program and log file analyzer.

Efficient, deferred formatting for logging on embedded systems

Eliot: the logging system that tells you *why* it happened

Adding `.Dump()` extension methods to Console Applications, similar to LinqPad's.

A highly configurable logging framework for Rust

A logging framework for Erlang/OTP

Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.

Tools to rapidly deploy a threat hunting capability on Azure Sentinel that leverages Sysmon and MITRE ATT&CK

使用注解优雅记录系统日志，操作日志，后端埋点等，支持SpEL表达式，自定义上下文，自定义函数，实体类DIFF等其他高阶处理。Elegantly record system logs, operation logs, backend tracking events, and more using annotations, with support for SpEL expressions, custom contexts, custom functions, entity diffs, and other advanced features.

fmtlog is a performant fmtlib-style logging library with latency in nanoseconds.

Android 日志打印框架，在手机上可以直接看到 Logcat 日志啦

Makes things cross-platform

🟢 Super-fast, tiny C/C++ tracing with printf look-and-feel, even in interrupts ⚡, plus real-time PC logging 💻

I CAN HAZ LOGZ?

A colored formatter for the python logging module

G3log is an asynchronous, "crash safe", logger that is easy to use with default logging sinks or you can add your own. G3log is made with plain C++14 (C++11 support up to release 1.3.2) with no external libraries (except gtest used for unit tests). G3log is made to be cross-platform, currently running on OSX, Windows and several Linux distros. See Readme below for details of usage.

The most robust observability solution for Salesforce experts. Built 100% natively on the platform, and designed to work seamlessly with Apex, Lightning Components, Flow, OmniStudio, and integrations.

Semantic Logger is a high-performance, asynchronous structured logging framework for Ruby and Rails.

🥇 Professional REST API design with ASP.NET Core WebAPI

Apache Log4net is a versatile, feature-rich, efficient logging API and backend for .NET

The Java agent for Apache SkyWalking

Convenient and performant logging library for Scala wrapping SLF4J.

Simple, efficient logging for Rust

The OpenTelemetry PHP Library

WatchDog is a Realtime Message, Event, HTTP (Request & Response) and Exception logger and viewer for ASP.Net Core Web Apps and APIs. It allows developers log and view messages, events, http requests made to their web application and also exception caught during runtime in their web applications, all in Realtime.