From Linxcel Europe:
Empower! for Oracle is PC desktop tool designed to enable Oracle developers, DBAs, and support staff of all levels to performance Oracle tuning in minutes. No SQL knowledge needed, or Oracle OEM middleware. Exports performance data direct to Microsoft Excel charts. Free for non-commercial use.
What's new in this version:
Version 2.2.20 adds AWR, ASH, ADDM reports in HTML format.