Originally an Office 365 management tool, ConnectWise added Azure management last year, will have Cisco management capabilities by the fall, AWS soon after that, and more coming down the road.
SkyKick offers a three-pronged cloud management solution which facilitates migration, backup and management, using a 100 per cent channel model. They recently extended the platform by adding the capacity for partners to offer a white-labelled syndicated version from their own websites.