OpenLiberty fast and flexible JavaEE server
Open liberty is an open source IBM JavaEE server. It promises to allow building Cloud native apps & mirco-services.
Flexible JavaEE7 Microprofile https://openliberty.io/about/
- Fast to start
- Dynamic update capabilities
Prediction by Adam Bien : "OpenLiberty could become the killer Java EE 8 / Java 9 application server"