1) Data ONTAP PowerShell Toolkit v3 (access with free community site account)
The new version adds support for clustered ONTAP 8.2 with 67 new cmdlets.
2) OnCommand Systems Manager v3 (you need a support contract to download)
Of particular note if you still have DOT7 systems:
The installer installs both System Manager 3.0 and System Manager 18.104.22.168. System Manager 3.0 enables you to manage clustered Data ONTAP systems and System Manager 22.214.171.124 enables you to manage 7-Mode systems. System Manager 126.96.36.199 supports all the features, enhancements, and changes in the System Manager 2.2 release.
System Manager 3.0 is launched in a new browser tab or window if you are managing clustered Data ONTAP systems. Similarly, System Manager 188.8.131.52 is launched in a new browser tab or window if you are managing 7-Mode systems.