Sends your logs to files, sockets, inboxes, databases and various web services
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A tiny JavaScript debugging utility modelled after Node.js core's debugging technique. Works in Node.js and web browsers
A logger with a small, extensible API which provides utility on top of Android's normal Log class.
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.
- c-plus-plus
- xml
- json
- networking
Simple .NET logging with fully-structured events
- serilog
Annotation-triggered method call logging for your debug builds.
Logan is a lightweight case logging system based on mobile platform.
A debug log framework for use in Swift projects. Allows you to log details to the console (and optionally a file), just like you would have with NSLog() or print(), but with additional information, such as the date, function name, filename and line number.
Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.
An attempt to tame Rails' default policy to log everything.
Android logger, pretty, powerful and flexible, log to everywhere, save to file, all you want is here.
Ultra-low-latency asynchronous C++17 logging and metrics library for performance-critical applications
- cpp
- low-latency
- logging-library
- logging
:ledger: Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods
- javascript
- logging
- lightweight
- loglevel
Abseil Common Libraries (Python)
Visual Python and C++ nanosecond profiler, logger, tests enabler
- developer-tools
- profiler
- profiling
- python
An extensible Java library for HTTP request and response logging
- java
- http-logs
- spring-boot-starter
- plugin-extension
Digging through logs is not observability. It's hope — wide events, structured errors, TypeScript-first, every runtime.
A lightweight C++ logging library
Core basic components: log (file / network), configuration (XML / JSON / HTTP), cache (memory / redis), network (TCP / UDP / HTTP), RPC framework, serialization (binary / XML / JSON), APM performance tracking. 核心基础组件，日志（文件/网络）、配置（XML/Json/Http）、缓存（内存/Redis）、网络（Tcp/Udp/Http）、RPC框架、序列化（Binary/XML/Json）、APM性能追踪。
😎 Tracy: the addictive tool to ease debugging PHP code for cool developers. Friendly design, logging, profiler, advanced features like debugging AJAX calls or CLI support. You will love it.
- nette
- nette-framework
- tracy
- dump-variables
Zero Allocation Text/Structured Logger for .NET with StringInterpolation and Source Generator, built on top of a Microsoft.Extensions.Logging.
📝 tslog - Universal Logger for TypeScript and JavaScript
- logger
- logging
- logging-library
- typescript-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.
- log4cplus
- cxx
- logging
- logging-library
Seelog is a native Go logging library that provides flexible asynchronous dispatching, filtering, and formatting.