Reports in TeamForge are grouped under the following categories.
Activity reports
Here's a list of TeamForge activity reports such as the SCM commits, artifact created and closed reports.
Agile reports
Here's a list of TeamForge agile reports such as the release burn up and burn down reports.
Distribution reports
Here's a list of reports to see distribution of work items such as tracker artifacts by parameters such as status, size, effort and so on.
Trend reports
Here's a list of reports to know some artifact trend data.