What are products of cognos? | Cognos

Cognos 6.6 7.0,7.3(PowerPlay, Impromptu)--ReportNet1.0,1.1mr1, 1.1mr22---ReportNet 8.0(latest)IWR is use by Impromptu to publish reports, PPES is used by PP, Cognos Connection is used by repornet. there are many other tools but these are the main.