I am not sure about how it implemented in .NET but I saw quite a few Workflow engine implemented in Java using JGraph. Some of them make use of Eclipse EMF/ GEF framework. But for any platform basically you need to persist the metadata related to the process definition (either to DB, XML or generated code; WF uses XOML to ...

Firedancer: Hi Guys/Gals, I know some of you went to the other tracks during TechEd 2006 SEA and I would like to make you this offer. Would you like to listen to me talk about Integrating Workflows with Office SharePoint Server 2007 again in a MIND gathering? Since MIND is more flexible, I can include all those things which where ...

I will update this treat from time to time to keep everyone up to date on the FREE learning resources available. Office 2007 Programming screencast  

Hi,  From the info I gather at TechEd here, there will be a lot to come for WF when Longhorn server and Biztalk 2006 R2 come out next year. So stay tuned.  Those attending TechEd, please join Serena's session tomorrow. Don't got scared about the word Sharepoint esp on the $molaa$ side.Windows Sharepoint Services is ...

Well, if you asked 10 person what is workflow, you will get 10 different answers. For more info about workflow checkout wf.netfx3.com  Where are about 24 interesting screencasts to be download here. http://wf.netfx3.com/files/folders/screencasts/default.aspx