HYBRIDBPM is an easy-to-use Business Process Management System (BPMS) targeted at business people and developers. HYBRIDBPM has a distributed core based on Hazelcast and OrientDB, modern user interface created with Vaadin Framework. It is written in Java and runs in any servlet container or as a standalone application. It's open-source and distributed under the Apache license.
The source code is released under Apache 2.0.
The application uses the Vaadin Charts 3 add-on, which is released under the Commercial Vaadin Addon License: https://vaadin.com/license/cval-3