Homepage: http://flowable.org/
- a compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
- a lightning fast, tried and tested BPMN 2 process engine written in Java. It is Apache 2.0 licensed open source, with a committed community.
- can run embedded in a Java application, or as a service on a server, a cluster, and in the cloud. It integrates perfectly with Spring. With a rich Java and REST API, it is the ideal engine for orchestrating human or system activities.
Flowable issues: https://github.com/flowable/flowable-engine/issues
Flowable QA: http://qa.flowable.org
Flowable forum: http://forum.flowable.org