You probably need to find or write reports to do those for you. Start with a clear definition of how you calculate them, and from what data in JIRA, that should help guide you as you look through the marketplace.
As an example, "defect density" probably implies something about testing cycles, so I'd be looking at the testing add-ons reporting.
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG