Talend Data Integration - Talend offers open source middleware solutions that address big data integration, data management and application integration needs for businesses of all sizes.

OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.

Matillion - Matillion is a cloud-based data integration software.

jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.

Talend Data Services Platform - Talend Data Services Platform is a single solution for data and application integration to deliver projects faster at a lower cost.

Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.