Projects sharing features with Lumberjack

Logrus is a structured logging library for Go that produces machine-readable output using key-value pairs and JSON formatting. It serves as a pluggable logging framework providing a thread-safe event logger with configurable mutex locking to manage concurrent writes across multiple goroutines. The project distinguishes itself through a pluggable hook system that routes log entries to external services or custom destinations. It also features a contextual logger capable of attaching persistent metadata and request-scoped fields to entries to improve traceability. The framework covers broad ob

Seelog is a native Go logging library that provides flexible asynchronous dispatching, filtering, and formatting.

Leveled execution logs for Go

Zap is a high-performance structured logging library designed for production environments. It provides a framework for generating machine-readable logs that minimize memory overhead and CPU usage, allowing for efficient event analysis and system monitoring. The library distinguishes itself through a focus on zero-allocation logging, utilizing buffer pooling to reduce garbage collection pressure during high-frequency operations. It enforces strict data typing through compile-time checks and structured field encoding, which ensures consistent output without the performance cost of reflection-ba

Zerolog is a structured logging library for Go designed for high-performance event capture and observability. It focuses on generating machine-readable JSON output while minimizing memory overhead through zero-allocation buffer encoding and strongly-typed field validation. The library distinguishes itself by providing a chainable, context-aware interface that allows developers to bind trace identifiers and metadata directly to request lifecycles. It supports complex diagnostic workflows by enabling independent logger instances, custom output routing to multiple concurrent destinations, and ev

Ergo is a distributed actor framework for Go that implements the Erlang distribution protocol, enabling the construction of resilient, concurrent applications that can communicate transparently with Erlang/OTP nodes. At its core, it provides an actor model with isolated lightweight processes, priority-ordered mailboxes, and a meta-process architecture that separates blocking I/O from sequential message handling to prevent actor freezing. The framework includes a Raft-inspired cluster consensus system for leader election and automatic failover, along with OTP-style supervision trees that organi

Logback is a Java logging framework used to record system events and diagnostic messages through a programmable API. It serves as a concrete implementation of the Simple Logging Facade for Java (SLF4J) and provides a structured logging engine for outputting events in machine-readable formats like JSON. The system distinguishes itself through an asynchronous log processor that utilizes circular queues and background workers to reduce performance overhead. It also features a log file rotation manager for size-based or time-based rollover with automatic compression, and the ability to update log

spdlog is a high-performance C++ logging library designed to record diagnostic messages and application events. It serves as an asynchronous logging framework and thread-safe library that coordinates access across concurrent threads to maintain message integrity. The project functions as a multi-target log router, distributing single events to multiple destinations such as consoles, files, and system daemons. It includes a log rotation manager that handles file lifecycles through basic, rotating, or daily rollover strategies to prevent disk exhaustion. The library covers a broad range of cap

Loguru is a Python logging library and thread-safe framework designed for recording system events and diagnostic messages. It functions as a structured logging tool that can serialize messages into JSON strings with metadata for automated parsing and analysis. The library includes a specialized exception tracker that captures unhandled crashes across main and background threads, rendering detailed stack traces that include local variable values. It further distinguishes itself through a unified routing pipeline that can intercept messages from the standard library logging module and dispatch

This project is a structured logging framework and library for Node.js applications. It produces machine-readable log records in JSON format with tiered severity levels, ensuring consistent parsing and centralized storage. The system includes a log stream manager for routing records to multiple destinations, such as files and consoles, and a command line interface for filtering, formatting, and visualizing raw JSON log streams. It supports the creation of child loggers that inherit parent configurations and merge additional contextual metadata. The framework covers a broad range of operation

Dead simple, super fast, zero allocation logger for Golang

Rolling writer is an IO util for auto rolling write in go.

📑 Lightweight, configurable, extensible logging library written in Go. Support multi level, multi outputs and built-in multi file logger, buffers, clean, rotate-file handling.一个易于使用的，轻量级、可配置、可扩展的日志库。支持多个级别，输出到多文件；内置文件日志处理、自动切割、清理、压缩等增强功能

io.Writer implementation using logrus logger managed by soy-programador

Simple logger for Go programs. Allows custom formats for messages.

Package for multi-level logging

🍜 Parametrized JSON logging library in Golang which lets you obfuscate sensitive data and marshal any kind of content.

Logging packages for Go

Simple Logging Facade for Golang

Colorful CLI logger

Timberjack is a Go log rolling library with support for size-based, time-based, and manual rotation.

Logging, distilled

An golang log lib, supports tracking and level, wrap by standard log lib

The official Go SDK for Sentry (sentry.io)

A tiny debug logging tool. Ideal for CLI tools and command applications. Inspired by https://github.com/visionmedia/debug

go-spew is a deep inspection library and debugging utility for Go. It functions as a data structure pretty printer that renders complex, nested types into human-readable strings with indentation and type information. The library provides specialized capabilities for visualizing internal program states, including the ability to dump data structures with pointer addresses and map keys. It includes a configuration system to adjust printing behavior, such as limiting recursion depth and setting indentation. The tool uses reflection-based type inspection and recursive tree traversal to handle nes