JIRA has a great workflow management even not heaving diagram mouse drawing tool. Adding steps in table is simple, fast and pretty but sometimes someone need to see diagrams – possible ? Yes, look at this JIRA plugin – 5 minutes of instalation and You can create graph like this on right.
Look at all OnResolve Blog posts.
Is this plugin available for Jira 4.1? I tried but there is one issue with broken links.
I do not think so :( It is not available, please contact the author of this plugin.