ASIO

uWebSocketsuNetworking/uWebSockets

A high-performance, secure, and standards-compliant web server for demanding real-time applications like crypto exchanges.

WebSocket++zaphoyd/websocketpp

A header-only C++ library implementing RFC6455 WebSocket Protocol for client/server functionality.

Widelandswidelands/widelands

A free, open-source real-time strategy game inspired by Settlers II, featuring singleplayer campaigns and multiplayer mode.

Restbedcorvusoft/restbed

An enterprise-grade C++ framework for building asynchronous, secure, and scalable HTTP/RESTful server applications.

rpclibrpclib/rpclib

A modern C++14 msgpack-RPC library for building client-server applications without IDL or code generation.

CppServerchronoxor/CppServer

Ultra fast and low latency asynchronous socket server & client C++ library with support for TCP, SSL, UDP, HTTP, HTTPS, and WebSocket protocols.

uSocketsuNetworking/uSockets

A minimal, cross-platform networking library providing optimized TCP, TLS, QUIC, and HTTP3 transports for async applications.

clidaniele77/cli

A cross-platform header-only C++14 library for building interactive command line interfaces with Cisco-style navigation.

RestinioStiffstream/restinio

A C++17 header-only library for building embedded HTTP/WebSocket servers with async request handling and Express-like routing.

Aleph OneAleph-One-Marathon/alephone

Open source continuation of Bungie's Marathon 2 game engine for playing Marathon series games and third-party content.

TooManyCookstzcnt/TooManyCooks

A high-performance C++20 concurrency framework with lock-free work-stealing thread pools, Asio integration, and simple coroutine syntax.

nmos-cppsony/nmos-cpp

A C++ implementation of the AMWA NMOS specifications for discovery, registration, and connection management in networked media systems.

Pi Audio Monitormartim01/pam

Open-source audio monitoring and analysis software for Raspberry Pi and other platforms, featuring meters, analyzers, and test tools.

sossosrf/soss

A Linux tool that enables communication among arbitrary protocols by translating them to a common xTypes representation language.

C++11julien3/vertxbuspp

A C++11 client library for connecting to Vert.x 3.x event bus via WebSocket.