By default you can get only Sonar+JIRA.
Few screenshots to show you what is all about:
1) When your Sonar find issues you'll have new action: Link to TeamForge
On click - new artifact (Task/Defect - configurable by admin) will be created in TeamForge.
2) In TeamForge you can see new artifact created:
3) There is also back connection (link) in Sonar:
You can download it from: sourceforge.net
Source code is here: code.google