Sencha Ext JS - Sencha Ext JS is the most comprehensive JavaScript framework for building data-intensive, cross-platform web and mobile applications for any modern device. Ext JS includes 140+ pre-integrated and tested high-performance UI components.
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
jQuery - The Write Less, Do More, JavaScript Library.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Harp - The static web server with built-in preprocessing.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.