Top 23 Logger Open-Source Projects

1. Monolog

   1 31 21,112 8.5 PHP

   Sends your logs to files, sockets, inboxes, databases and various web services

   

2. SaaSHub

   www.saashub.com featured

   SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

   

3. Loguru

   2 32 20,545 9.0 Python

   Python logging made (stupidly) simple

   

   Project mention: Complete Python Logging Guide: Best Practices & Implementation | dev.to | 2024-12-20

   Loguru provides a simpler logging interface with powerful features out of the box:

4. pino

   3 40 14,602 8.8 JavaScript

   🌲 super fast, all natural json logger

   

   Project mention: Node.js'te Pino ile Performanslı Loglama: Nedir ve Nasıl Kullanılır? | dev.to | 2024-08-22

5. logger

   4 3 13,839 0.0 Java

   ✔️ Simple, pretty and powerful logger for android

6. CocoaLumberjack

   5 3 13,233 7.5 Objective-C

   A fast & simple, yet powerful & flexible logging framework for macOS, iOS, tvOS and watchOS

   

7. gf

   6 3 11,895 9.6 Go

   A powerful framework for faster, easier, and more efficient project development.

   

   Project mention: gmap in GoFrame: A Deep Dive into High-Performance Concurrent Maps | dev.to | 2025-01-05

   Performance Benchmarks

8. signale

   7 1 8,940 3.5 JavaScript

   Highly configurable logging utility

9. morgan

   8 8 7,982 3.2 JavaScript

   HTTP request logger middleware for node.js

   

   Project mention: CRUD with ExpressJS and MongoDB (Typescript) | dev.to | 2024-12-28

   Morgan is used to generate logs that can be used for different purposes, like printing out the logs to the console when the server is running.

10. Pulse

    9 4 6,431 9.6 Swift

    Network logger for Apple platforms (by kean)

11. NLog

    10 21 6,353 8.9 C#

    NLog - Advanced and Structured Logging for Various .NET Platforms

    

    Project mention: Essential .NET Libraries Every Developer Should Know | dev.to | 2024-10-08

    Need an alternative logging library? NLog is another fantastic choice.

12. Apache Log4j 2

    11 108 3,419 9.9 Java

    Apache Log4j 2 is a versatile, feature-rich, efficient logging API and backend for Java.

    

    Project mention: Hackers exploited Windows 0-day for 6 months after Microsoft knew of it | news.ycombinator.com | 2024-03-05

    I don't think that's a good example. While Apache devs are volunteers and Microsoft devs are employees, they were criticized for their slow response time and seeming lack of urgency until it was far too late.

    https://github.com/apache/logging-log4j2/pull/608#issuecomme...

13. xLog

    12 1 3,180 2.6 Java

    Android logger, pretty, powerful and flexible, log to everywhere, save to file, all you want is here. (by elvishew)

14. monolog-bundle

    13 3 2,903 5.1 PHP

    Symfony Monolog Bundle

    

15. typescript-express-starter

    14 4 2,762 1.9 TypeScript

    📘 Quick and Easy TypeScript Express Starter

16. Wormholy

    15 3 2,429 8.9 Swift

    iOS network debugging, like a wizard 🧙‍♂️

    

17. awesome-canbus

    16 5 2,338 4.7

    :articulated_lorry: Awesome CAN bus tools, hardware and resources for Cyber Security Researchers, Reverse Engineers, and Automotive Electronics Enthusiasts.

18. sc

    17 17 2,291 3.8 C

    Common libraries and data structures for C.

19. plog

    18 4 2,256 5.2 C++

    Portable, simple and extensible C++ logging library

    Project mention: C++ Game Utility Libraries: for Game Dev Rustaceans | dev.to | 2024-03-13

    Alternatives are glog from Google is full-featured, like spdlog, while Plog offers a lightweight alternative. Both are worthy upgrades on using C++ built-in std::clog.

20. Logbook

    19 5 1,877 9.1 Java

    An extensible Java library for HTTP request and response logging

    

    Project mention: Getting started with Spring RestClient | dev.to | 2024-09-15

    Sometimes it may be useful to log the details of the outgoing requests and incoming responses. For this purpose, the Logbook library may be used in combination with the Apache HTTP client.

21. quill

    20 7 1,876 9.6 C++

    Asynchronous Low Latency C++ Logging Library (by odygrd)

    Project mention: Quill: High-Performance Asynchronous C++ Logging Library | dev.to | 2024-08-27

    To dive deeper into Quill or contribute to the project, visit the GitHub repository or the Documentation page.

22. Logdy.dev

    21 12 1,382 7.7 Go

    Web based real-time log viewer. Stream ANY content to a web UI with autogenerated filters. Parse any format with TypeScript.

    

    Project mention: Show HN: A Better Log Service | news.ycombinator.com | 2025-01-11

    Congrats on the launch! I'm an author of https://logdy.dev seems like we had a similar problem with logs and decided to solve it but in a slightly different way.

23. log

    22 2 1,366 0.0 Go

    Structured logging package for Go. (by apex)

    

24. tslog

    23 1 1,365 5.9 TypeScript

    📝 tslog - Universal Logger for TypeScript and JavaScript

    

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• A note from our sponsor - SaaSHub
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