A fast, light-weight proxy for memcached and redis

H2O - the optimized HTTP/1, HTTP/2, HTTP/3 server

WiredTiger's source tree

The Scalable TLS Unwrapping Daemon

Haywire is an asynchronous HTTP server framework written in C that's built using the event loop based libuv platform layer that node.js is built on top of.

Fast in-process BLOB cache with persistence support

ZeroMQ transport for nginx

A fast HTTP/WebSocket to zeromq gateway (UNMAINTAINED, take a look at swindon web server instead)

An HTTP and websocket protocol implementation for libev event loop (UNMAINTAINED, use rust and tk-http crate)

The Actor Model for Plain Old C