Orienteer is Business Application Platform:
Odoo - An all-integrated business app suite to unleash your growth potential.
OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Apache Isis - Apache Isis is a framework for rapidly developing domain-driven apps in Java.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Scoro - Scoro is an end-to-end business management software solution for professional and creative services that helps to streamline work and eliminate routine tasks.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.