OpenXava - OpenXava is a Web Java Framework for Rapid Development of Enterprise Applications.
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
jHipster - JHipster is a development platform to quickly generate, develop, & deploy modern web applications & microservice architectures.
Office Online - With Office Online you can view, edit, and share Word, Excel, PowerPoint, and OneNote files on your devices using a web browser, so you can work anywhere.
Spring Framework - The Spring Framework provides a comprehensive programming and configuration model for modern Java-based enterprise applications - on any kind of deployment platform.
Caret - Better Markdown Editor for Mac / Windows / Linux