Cross-platform asynchronous I/O

The single instruction C compiler

Disque is a distributed message broker

Higher level programming in C

nanomsg library

A generic dynamo implementation for different k-v storage engines

Go-style concurrency in C

Keen Dreams on Greenlight!

SQLite with Branches

Asynchronous networking for C

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.

Adaptive Radix Trees implemented in C

The ZeroMQ Enterprise Messaging Broker

User space threading (aka coroutines) library for C resembling GoLang and goroutines

ZeroScript

Pattern library

ZeroMQ Enterprise Publish-Subscribe (ZEPS) **DEPRECATED**

Helper functions for dealing with socket ancillary data