Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. Netty is a NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socke...
Twisted is an event-driven networking engine written in Python and licensed under the open source MIT license.Twisted makes it easy to implement custom network applications, both servers and clients.Twisted includes an event-driven web server
Akka is the platform for the next generation of event-driven, scalable and fault-tolerant architectures on the JVM We believe that writing correct concurrent, fault-tolerant and scalable applications is too hard. Most of the time it's because we are using the wrong tools and the wrong level of abstraction.