Business Process Management

• Build highly personalized, process-based applications today, for free, with our open source

Community edition
http://www.bonitasoft.com/downloads-v2

• Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins

http://activiti.org/

• Intalio|bpms provides a comprehensive enterprise-class platform to design, deploy, and manage the most complex business processes

http://www.intalio.com/products/bpms/overview/

•     Business Process Model and Notation (BPMN) is a graphical representation for specifying business processes in a business process model. It was previously known as Business Process Modeling Notation.

http://en.wikipedia.org/wiki/Business_Process_Model_and_Notation

•     jBPM

    jBPM is a flexible Business Process Management (BPM) Suite. It makes the bridge between business analysts and developers. Traditional BPM engines have a focus that is limited to non-technical people only. jBPM has a dual focus: it offers process management features in a way that both business users and developers like it.

http://www.jbpm.org/

•     Perfect tool for occasional users and beginners in Business Process Management.

http://www.ariscommunity.com/aris-express 

• Event storming is a workshop-based method to quickly find out what is happening in the domain of a software program.Compared to other methods it is extremely lightweight and intentionally requires no support by a computer.The result is expressed in sticky notes on a wide wall.Event storming can be used as a means for business process modeling and requirements engineering.

https://en.wikipedia.org/wiki/Event_storming