OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
ProntoForms - ProntoForms is a mobile business solutions application, converting paper forms onto any tablet or mobile device.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.
Nintex - Cloud-based digital workflow management automation platform