Grails - An Open Source, full stack, web application framework for the JVM
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Vaadin Framework - Vaadin is a web application framework for Rich Internet Applications (RIA).
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.
Apache Struts - Apache Struts is an open-source web application framework for developing Java EE web applications.
Mustache.js - Minimal templating with {{mustaches}} in JavaScript - janl/mustache.js