526 Open source projects that are alternatives of or similar to Lager

Log call tree summaries after each request for rust programs instrumented with `tracing`.

An extensible Java library for HTTP request and response logging

An n:m message multiplexer written in Go

Convenient and performant logging library for Scala wrapping SLF4J.

List of Elixir books

Makes things cross-platform

Eliot: the logging system that tells you *why* it happened

G3log is an asynchronous, "crash safe", logger that is easy to use with default logging sinks or you can add your own. G3log is made with plain C++14 (C++11 support up to release 1.3.2) with no external libraries (except gtest used for unit tests). G3log is made to be cross-platform, currently running on OSX, Windows and several Linux distros. See Readme below for details of usage.

Java web tool to setup at runtime the log level of Log4j appenders in an application, and read the log at runtime.

A colored formatter for the python logging module

A logger backend for Telegram

🚀 Record and replay user sessions to fix bugs faster.

QtWebApp is a HTTP server like Java servlets, written in C++ with the Qt framework.

A pinview library for android. ✨

🔐 A PHP library for generating one time passwords according to RFC 4226 (HOTP) and the RFC 6238 (TOTP)

Log outgoing HTTP requests in ruby

A modern logging library for Node.js that provides log level mapping to the console

🌲 Cabin is the best JavaScript and Node.js logging service and logging npm package

Async Kuberenetes Namespace Log Recorder / Streamer

An Adapter-based Bot Framework for Elixir Applications

✏️ Debug utility with markdown support that runs on browser and server

Simple + Powerful interface to the Mnesia Distributed Database 💾

A collection of scripts to enhance your Discord experience.

Bash Infinity is a modern standard library / framework / boilerplate for Bash

A C# .NET class library that extends NLog.Logger to provide additional functionality for tracing the entry and exit, arbitrary checkpoints, exceptions and stack traces within methods.

The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.

Timeseries database

GoFrame is a modular, powerful, high-performance and enterprise-class application development framework of Golang.

A Serverless plugin to transport logs to ElasticSearch

https://habr.com/ru/post/276725/

LibLog is a single file for you to either copy/paste or install via nuget, into your library/framework/application to provide a logging abstraction.

React for the Console

📜 Logging on steroids

Python Logging For Humans (Also supports configurable color logging for the terminal!)

This is Entity Framework Core logger and logger provider. A small package to allow store logs in any data store using Entity Framework Core.

A lightweight, composable and high performance web service framework for Go.

🌳 Log4j2 TTL ThreadContextMap, Log4j2 extension integrated TransmittableThreadLocal to MDC

Zentral is an open-source solution for infrastructure monitoring and endpoint event stream processing. It provides build-in orchestration of macOS security components (Santa, Osquery, et-al.), event correlation and event management. It consolidates its features with various data store backends (ElasticStack, Azure Log Analytics, Splunk, et-al.).

**pigame** is a game server template for Erlang.

Adds variables to python traceback. Simple, lightweight, controllable. Debug reasons of exceptions by logging or pretty printing colorful variable contexts for each frame in a stacktrace, showing every value. Dump locals environments after errors to console, files, and loggers. Works in Jupyter and IPython. Install with pip or conda.

An npm package to simply and beautifully log to console.

A flexible logging library for use in Ruby programs based on the design of Java's log4j library.

🔑 One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

Fast persistent recoverable log and key-value store + cache, in C# and C++.

🔐 multi factor authentication system (2FA, MFA, OTP Server)

Logs and metrics are one! Professional logging, metrics and analytics for your apps.

Web based log viewer for Erlang and Elixir applications

A powerful set of Python debugging tools, based on PySnooper

Adenium Normalizer

Ruby logger that writes logstash events

Utilities for Sysmon

JustLog brings logging on iOS to the next level. It supports console, file and remote Logstash logging via TCP socket with no effort. Support for logz.io available.

**Deprecated** Real time chat app written in Swift 4 using Firebase and OTP Authentication

A CLI tool to trace AWS Lambda calls over multiple CloudWatch log groups.

Portable, simple and extensible C++ logging library

log4cplus is a simple to use C++ logging API providing thread-safe, flexible, and arbitrarily granular control over log management and configuration. It is modelled after the Java log4j API.

A dead simple logger, designed to be perfect for the browser.

R package for easy logging

A structured logging abstraction with multiple backends.

A logging library providing efficient raw logging in the form of JSON data.