Structured, pluggable logging for Go.

Never use print for debugging again

A fast & simple, yet powerful & flexible logging framework for Mac and iOS

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

Like Prometheus, but for logs.

Blazing fast, structured, leveled logging in Go.

Fluentd: Unified Logging Layer (project under CNCF)

Fast C++ logging library.

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

Python logging made (stupidly) simple

Free and open source log management

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

Convenient & secure logging during development & release in Swift 3, 4 & 5

NLog - Advanced and Structured Logging for Various .NET Platforms

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.

⎈ Multi pod and container log tailing for Kubernetes

A network event stream processing system, in Clojure.

Zero Allocation JSON Logger

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 additional information, such as the date, function name, filename and line number.

iOS Debugging Tool 🚀

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

A distributed and coördination-free log management system

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

Generic Signature Format for SIEM Systems

Single header C++ logging library. It is extremely powerful, extendable, light-weight, fast performing, thread and type safe and consists of many built-in features. It provides ability to write logs in your own customized format. It also provide support for logging your classes, third-party libraries, STL and third-party containers etc.

Sysmon configuration file template with default high-quality event tracing

Laravel Stats Tracker

Fast and Lightweight Log processor and forwarder for Linux, BSD and OSX

Symfony Monolog Bundle

Android logger, simple and pretty, powerful and flexible, all you need is here (updating)