''An open-source ServletContainer and HyperTextTransferProtocol server''
* known for being lightweight and embeddable. It has its own lightweight HTTP server, but it can also be integrated with other servers, such as ApacheHttpd or InternetInformationServer. 
* web services can be implemented as JavaServlets or as Jetty HTTP services.
*licensed under the ApacheSoftwareFoundation OpenSourceLicense, specifically the Apache 2.0 License.