Welcome to the YAWL User Group website yaug.org! We would like to concentrate the know-how of all YAWL users and serve as a plattform for suggestions, discussions and collaboration. YAWL is an open source BPM/Workflow system currently developed by the YAWL Foundation.

Please join our community, if you would like to take part in the YAWL User Group. Please use the public forum to ask questions about YAWL or the user group itself. For any private inquiries use our contact form.


The new codelet library

Codelet library banner

When working with YAWL, you also have to create codelets. In order that not everyone YAWL user generates the same codelet,

YAWL Editor 3.0 beta

Image YAWL Editor 3.0

Many bugfixes for the Editor are get out. The Editor will improve to final version.

Take a look here, you will always find the newest build for the YAWL Editor 3.0.

YAWL 3.0 beta is out

Forums:

The first YAWL release with the new YAWL editor is now available! The editor is a major improvement. Please check it out. I would like to hear what you think about it.

Where do YAWL Users come from?

Forums:

A problem with open source software is that you never know exactly how many installations are out there. Our site yaug.org is still in its beginning and the absolute number of users is not overwhelming. But you have to account for the fact that YAWL is not a software for the end-user but a tool for process automation.

The first question is, where do YAWL users come from? You may find an answer to that question here. It contains the distribution of visits to the site yaug.org in 2013. All graphics come from our Piwik statistics.

Browser based YAWL Editor in Signavio

Forums:

The web based editor for YAWL, a project that was started some time ago at Bonn-Rhein-Sieg University is now available here.

If you want to model processes using the YAWL notation, this gives you the possibility. The Signavio editor for YAWL does not have the functionality for automating processes. It is NOT meant as a replacement for the full YAWL editor that has just been released.

New YAWL Editor 3.0 (alpha) now available

Forums:

The first stable YAWL Editor 3.0 (alpha) is now available: http://www.yawlfoundation.org/pages/resources/yawl3.html

Using a timer for the timeout of manual tasks

A common problem is the coordination of several parties. We want to give a number of participants the chance to comment on something but we do not want to wait indefinitely.
YAWL timer tasks can help here.

For the following workflow, we will be using the same ybkp file as here. The YAWL file is here.

Build a Workflow using Deferred Allocation

New YAC version

A new YAC version has been in development with the following main features:

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Workflows for testing the YAWL Android Client

The YAWL Android Client has had several people, that added functionality and fixed bugs. I created three workflows that helped me find the flaws and bugs in the different YAC versions, which I am going to describe here. SInce those workflows were mainly used for debugging and had to be completed often, they run in a loop and repeat themselves as the standard control flow.

Test data types

The first workflow was created to test different data types in YAWL and how they are displayed:

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The new codelet library , 2 months ago
YAWL Editor 3.0 beta , 4 months ago
New YAC version , 11 months ago