Couldn't agree more on Excel. Not only it's KISS, but the kind of team that expects KPIs will want the Excel export anyway. You can fill both a periodic form /

Couldn't agree more on Excel. Not only it's KISS, but the kind of team that expects KPIs will want the Excel export anyway. You can fill both a periodic form / monthly report, and an all-time table The former can be printed and proudly features to teams. The latter can be converted to CSV to be ingested by any tool, and to do charts.