Blazing fast, structured, leveled logging in Go.

Zero Allocation JSON Logger

NLog - Advanced and Structured Logging for Various .NET Platforms

Simple, powerful, and fast logging for Python.

Structured, contextual, extensible, composable logging for Rust

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

🚂 A Yeoman generator for Express.js based 12-factor apps and apis

Fastest structured logging

a C logging library built for high performance and a rich feature set

Structured Logging for Django

Minimal structured logging library for Go

A Python logging library with superpowers

A Ruby structured logging is capable of handling a message, custom data or an exception easily and generates JSON or human readable logs.

🚨 Design workflows of slog handlers: pipeline, middleware, fanout, routing, failover, load balancing...

jl — JSON Logs, a development tool for working with structured JSON logging.

🌲 Great Elixir logging made easy

Structured Logging, Tracing, and Observability with Logback

Capture, view and filter your ASP.net core log events right from your app

🔥 Error handling library with context, assertion, stack trace and source fragments

🌲 Great Ruby logging made easy.