fmt

spdloggabime/spdlog

A fast, header-only C++ logging library with rich formatting and asynchronous support.

OpenTTDOpenTTD/OpenTTD

An open-source transport simulation game based on Transport Tycoon Deluxe, featuring expanded gameplay and multiplayer support.

Quillodygrd/quill

A high-performance asynchronous C++ logging library designed for low-latency, performance-critical applications.

fbthriftfacebook/fbthrift

Facebook's evolved branch of Apache Thrift, featuring a new C++ compiler and fully asynchronous server for high-performance RPC and serialization.

OpenLocoOpenLoco/OpenLoco

An open-source re-implementation of Chris Sawyer's Locomotion, a transport company simulation game.