rs / zerolog

Zero Allocation JSON Logger

NLog / NLog

NLog - Flexible and Structured Logging for various .NET Platforms

hynek / structlog

Simple, powerful, and fast logging for Python.

pamburus / hl

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

odygrd / quill

Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications

dahlia / logtape

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

rokath / trice

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

samber / oops

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

phuslu / log

Fastest structured logging

7mind / izumi

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

loglayer / loglayer

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.