libuv is described as 'software library that provides asynchronous event notification. libuv supports epoll(4), kqueue(2), Windows IOCP, and Solaris event ports. It is primarily designed for use in Node.js but it is also used by other software projects' and is an app in the Development category. There are three alternatives to libuv for Linux, Mac and Windows. The best alternative is libevent, which is both free and Open Source. Other great apps like libuv are libev (Free, Open Source) and Tokio (Free, Open Source).
libevent is an asynchronous event notification software library. The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached.
Tokio is an open source library providing an asynchronous, event driven platform for building fast, reliable, and lightweight network applications. It leverages Rust's ownership and concurrency model to ensure thread safety. Tokio is a blazing fast, lightweight and reliable.