EventMachine is a software system designed for writing highly scalable applications for Ruby. It provides event-driven I/O using the reactor pattern. EventMachine is the most popular library for concurrent computing in the Ruby programming language.
Example uses EventMachine has been used to build a number of different libraries and frameworks in which concurrency is a performance concern. Some examples include: critical networked applications web servers and proxies email and IM production systems authentication/authorization processors
See also
Application server Netty (software) Node.js Twisted (software)
References
External links EventMachine on GitHub