Blazing fast, structured, leveled logging in Go.

Zero Allocation JSON Logger

NLog - Flexible and Structured Logging for various .NET Platforms

Simple, powerful, and fast logging for Python.

A fast and powerful log viewer and processor that converts JSON logs or logfmt logs into a clear human-readable format.

Unobtrusive logging library with zero dependencies for Deno, Node.js, Bun, browsers, and edge functions

Structured, contextual, extensible, composable logging for Rust

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

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

Fastest structured logging

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

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

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

A modern logging library for Javascript / Typescript that routes logs to various logging libraries, cloud providers, files, StatsD, and OpenTelemetry while providing a fluent API for specifying log messages, metadata and errors.

Structured Logging for Django

a fast and feature-rich logging library for C

NLog as Logging Provider for Microsoft Extension Logging

Minimal structured logging library for Go

Go errors but structured and composable. Fault provides an extensible yet ergonomic mechanism for wrapping errors.

A Python logging library with superpowers