NLog - Advanced and Structured Logging for Various .NET Platforms

Application level tracing for Rust.

iOS Debugging Tool 🚀

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.

C++ logging library. It is powerful, supports asynchronous low latency, extendable, light-weight, fast performing, thread and type safe and consists of many built-in features. It provides ability to write logs in your own customized format. It also provide support for logging your classes, third-party libraries, STL and third-party containers etc.

Nanolog is an extremely performant nanosecond scale logging system for C++ that exposes a simple printf-like API.

Asynchronous Low Latency 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.

Structured, contextual, extensible, composable logging for Rust

📝 tslog - Universal Logger for TypeScript and JavaScript

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

An OkHttp interceptor which has pretty logger for request and response. +Mock support

📄The reliable, generic, fast and flexible logging framework for Android

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

Bring console.log on the screen

Simple, efficient logging for Rust

fmtlog is a performant fmtlib-style logging library with latency in nanoseconds.

tinylog is a lightweight logging framework for Java, Kotlin, Scala, and Android

Productivity-oriented collection of lightweight fancy stuff for Scala toolchain

Log4Qt - Logging for the Qt cross-platform application framework