Logging Packages
Structured and leveled logging libraries for capturing, formatting, and shipping application logs to observability pipelines (Winston, Pino, Loguru).
Packages in Logging
Kind
Sort:Used by Most Apps
tracing
Structured, application-level diagnostics for async Rust programs, built around scoped spans and events.
Winston
A battle-tested Node.js logging library with pluggable transports, custom formats, and multiple log levels.
log
A lightweight logging facade for Rust that decouples libraries from the logging implementation applications choose.
Logrus
Structured, pluggable logging for Go with a stdlib-compatible API and level-based hooks.
OpenTelemetry Python SDK
The reference implementation of the OpenTelemetry API for Python - traces, metrics, and logs
debug
A tiny, zero-config JavaScript debugging utility with namespaced, color-coded output for Node.js and the browser.
loguru
A drop-in replacement for Python's standard logging module that makes logging enjoyable, with almost no setup required.
electron-log
Zero-dependency logging for Electron, Node.js, and NW.js apps with file, console, and remote transports.
morgan
Battle-tested HTTP request logger middleware for Node.js and Express.
env_logger
Environment-variable-configured logging backend for Rust's log crate
zerolog
A zero-allocation, chaining-API JSON logger for Go built for both structured production output and pretty local development logs.
structlog
Structured, typed logging for Python built on plain functions and dictionaries instead of a bespoke logging DSL.
logr
A minimal, backend-agnostic structured logging API for Go, letting libraries log without coupling to any specific logging implementation.
Monolog
The PSR-3 logging library that sends PHP logs to files, sockets, databases, and dozens of web services
tint
A zero-dependency slog.Handler for Go that writes tinted, colorized console logs.
axiom-js
Official TypeScript/JavaScript client for ingesting and querying data with the Axiom observability platform.
MonologBundle
Configure Monolog logging handlers and channels declaratively in Symfony
LogTape
Zero-dependency, library-first structured logging for JavaScript and TypeScript across Deno, Node.js, Bun, browsers, and edge functions.
logform
A composable, mutable object-based log format library for chaining and objectMode streams, used by the winston logger.
triple-beam
Shareable Symbol constants and standard logging-level configs for the winston ecosystem
node-bunyan
A simple and fast JSON logging library for Node.js services, paired with a CLI for pretty-printing structured logs.
Pydantic Logfire
Python observability SDK from the Pydantic team, built on OpenTelemetry for tracing, metrics, and logs.
Log
A minimal, colorful Go logging library with leveled, structured, human-readable output.
loglevel
Minimal, dependency-free logging for JavaScript that wraps console methods with reliable level filtering.