Jetty

Jetty is used for machine-to-machine communications when it uses larger software frameworks. It was developed as a part of Eclipse Foundation. It is used in services such as Apache ActiveMQ, Apache Macenm Eclipse, FUSE, Zimbra and many more. It also performs as a server in several open source projects such as Lift, Hadoop and I2P. The latest Java Servlet API and protocols such as HTTP/2 and WebSocket are supported by Jetty.