Have you ever wondered how to use JIRA with Feature Driven Development? Well JFDD might be able to help. It uses the combined power of JIRA and FDDPMA by synchronising features between the two applications. Actually, at the moment it's a one way sync. It takes JIRA issues and turns them into FDDPMA features. It has the smarts to work out the planned and actual dates. All you need to do in FDDPMA is provide the Subject Areas and Business Activities. See the Wiki for more details.