Netty belongs to "Concurrency Frameworks" category of the tech stack, while Apache Tomcat can be primarily classified under "Web Servers". "High Performance" is the top reason why over 2 developers like Netty, while over 76 developers mention "Easy" as the leading cause for choosing Apache Tomcat.

Is Netty a server?

Netty is a non-blocking I/O client-server framework for the development of Java network applications such as protocol servers and clients. The asynchronous event-driven network application framework and tools are used to simplify network programming such as TCP and UDP socket servers.

What is Netty HTTP server?

Netty is a non-blocking input/output (NIO) framework that makes it relatively simple to develop low-level network servers and clients. ... Basically, a non-blocking server runs all requests asynchronously on a single thread (no function should “block” the event loop).