YAWL User Group

The YAWL User Group Forum on this site becomes the single forum for questions and support on YAWL and replaces the YAWL Foundation Forum. The content of the latter can still be retrieved here:

In this tutorial we show in three steps how to work with codelets in YAWL. We first create a codelet, install it and then invoke it from a YAWL workflow. We assume that you are familiar with

YAWL creates XES logs directly from the control centre. This makes it easy to do Process Mining with tools like ProM,

Dr. Michael Adams gave a talk in the Computer Science Colloquium at Bonn-Rhein-Sieg University.

An article on YAWL has appeared in the German IT magazine iX:

https://www.heise.de/ix/inhalt/2017/1/64/

In this tutorial we show how the complexity of the control flow can be reduced by using worklets and exlets in YAWL specifications.

The control centre of YAWL has undergone a web application vulnerability check by CERT EU. YAWL version 4.1 has additional security features resulting

YAWL 4.0 is now available here for download. One of the most prominent new features is a worklet and exlet editor. Worklets allow for so-called ad hoc

YAWL 4.0 features an integrated worklet editor that makes the work of  a previous tutorial much easier.

What is the most frequent requirement for a workflow system? Is it BPMN conformance? 

YAWL is not BPMN. We would like to make YAWL better than BPMN. Having fewer constructs with a similar