OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.
Vaadin Framework - Vaadin is a web application framework for Rich Internet Applications (RIA).
Azure Web Apps - Create and deploy mission critical Web apps that scale with your business
Grails - An Open Source, full stack, web application framework for the JVM
Salesforce Platform - Salesforce Platform is a comprehensive PaaS solution that paves the way for the developers to test, build, and mitigate the issues in the cloud application before the final deployment.