libevent

Follyfacebook/folly

A C++20 library from Facebook focused on performance and practicality, complementing std and Boost with components used at scale.

memcachememcached/memcached

A high-performance, distributed, in-memory key-value cache store for speeding up dynamic web applications.

libwebsocketswarmcat/libwebsockets

A lightweight, secure, pure C library for building scalable client and server applications with HTTP/1, HTTP/2, WebSockets, and MQTT.

evppQihoo360/evpp

A modern C++11 network library for high-performance TCP/UDP/HTTP services, designed for multi-threaded, non-blocking event-driven applications.

Pistacheoktal/pistache

A modern, high-performance HTTP and REST framework for C++ with a clean API.

Oniondavidmoreno/onion

A C library for creating simple HTTP servers and web applications, designed to embed web functionality into existing programs.

µStreamerpikvm/ustreamer

A lightweight, fast MJPEG-HTTP video streamer for V4L2 devices, optimized for high-resolution, high-FPS streaming.