Looking for alternatives or competitors to Play? Other important factors to consider when researching alternatives to Play include reliability and ease of use. The best overall Play alternative is spring.io. Other similar apps like Play are Vaadin, Grails, Eclipse Jetty, and JHipster. Play alternatives can be found in Java Web Frameworks but may also be in JavaScript Web Frameworks.
Build your web UIs in HTML or Java
A powerful Groovy-based web application framework for the JVM
Eclipse Jetty provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations.
Jmix is a high level framework for the rapid development of enterprise applications with rich web interfaces. The platform abstracts developers from underlying technologies so they can focus on the business tasks, whilst retaining full flexibility by providing unrestricted access to low level code.
RAP provides a powerful widget toolkit and integrates well with proven technologies such as OSGi and JEE. You can write your application entirely in Java, re-use code and benefit from first-class IDE tools.
The JavaScript App Platform