If you are considering AlloyUI, you may also want to investigate similar alternatives or competitors to find the best solution. Other important factors to consider when researching alternatives to AlloyUI include reliability and ease of use. The best overall AlloyUI alternative is spring.io. Other similar apps like AlloyUI are JHipster, Spark, Apache OFBiz, and Vaadin. AlloyUI alternatives can be found in Java Web Frameworks but may also be in JavaScript Web Frameworks.
Spark - A micro framework for creating web applications in Java 8 with minimal effort
Apache OFBiz is an open source product for the automation of enterprise processes that includes framework components and business applications for ERP (Enterprise Resource Planning), CRM (Customer Relationship Management), E-Business / E-Commerce, SCM (Supply Chain Management), MRP (Manufacturing Resource Planning), MMS/EAM (Maintenance Management System/Enterprise Asset Management), POS (Point Of Sale).
Build your web UIs in HTML or Java
A powerful Groovy-based web application framework for the JVM
The JavaScript App Platform
Apache Sling is an innovative web framework that is intended to bring back the fun to web development.