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

Package logfmt marshals and unmarshals logfmt messages.

Lightweight CLI viewer for structured log files and streams (logfmt, JSONL and many others)

Add logfmt structured logging using the stdlib logging module and without changing a single log call.

Extremely fast, light weight, zero alloc logfmt logging library for Go.

Header only C++23 structured logging library using logfmt

Simple logfmt CLI tool for colorizing, analyzing, filtering, and formatting structured logs

Fast, structured, with filters and dynamic sinks. No levels. Logger & context keeper for Go language 🥝 It smells like a mushroom.

Extract values from anything — JSON, YAML, TOML, .env, HTTP headers, logfmt, CSV, and more

Observability events system.

Tiny structured logging abstraction or facade for various logging libraries, allowing the end user to plug in the desired logging library in main.go.

An implementation of the logr minimal logging API that writes in logfmt style.

An Elixir log formatter library.

Logfmt transport for pino

🌲 A high performance logfmt parser for Elixir

An opinionated Python 3 logging Formatter following the Logfmt format with sane defaults.

A lightweight logging library for .net applications, focusing on logfmt output

L2met-friendly log formatter

Java package for generating and parsing log lines in the logfmt style.

Simple structured logging for Rust projects