🛠️ Format texts safely and efficiently in C++ with the fmt library, providing user-friendly output and strong performance for your applications.

High-performance C++20 logging library with multiple backends, structured logging, and thread-safe operations. Features asynchronous logging, log rotation, filtering, and cross-platform file I/O with minimal overhead.

Asynchronous TCP communication system in order to support micro-service architecture.

Compressed Log Processor (CLP) is a free log management tool capable of compressing logs and searching the compressed logs without decompression.

Log file navigator

An unpretentious and minimalistic C++23 logging library

Asynchronous Low Latency C++ Logging Library

A cross-platform set of c++23 utilities

Libreria HTTP leggera per ESP32 con supporto asincrono, sincrono, HTTPS, redirect, logging e callback.

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.

Maybe the world's fastest logging library, originating from the client of the top mobile game Honor of Kings, is lightweight, works on PC, mobile, and servers, supports C#, Java, and C++, and is well adapted to Unity and Unreal engines. 可能是全球最快的日志库，源自最成功的手游之一《王者荣耀》客户端，轻量级，适用于PC、移动设备和服务器，支持C#、Java、C++，并对Unity、Unreal引擎做了良好适配。

C++20 threading framework that combines thread_system, logger_system, and monitoring_system for simplified concurrent programming with integrated logging and monitoring capabilities.

Areg SDK — the network operator for C++ programs: automates RPC, IPC, and distributed communication.

C++11 Cross-platform infrastructure for OMS(order management system).

Apache Log4cxx is a C++ port of Apache Log4j

Very fast synchronous and asynchronous C++17 logging library

A minimalist, MLFlow-compatible, header-only C++ experiment tracking library with Python bindings

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.

Design, debug, and analyze Areg apps visually: edit services, explore interfaces, filter logs, and measure performance in one tool.

Fast C++ logging library.