Puppet Enterprise - Get started with Puppet Enterprise, or upgrade or expand.
cPanel - With its first-class support and rich feature set, cPanel & WHM has been the web hosting industry's most reliable, intuitive control panel since 1997.
Terraform - Tool for building, changing, and versioning infrastructure safely and efficiently.
Webmin - Webmin is a web-based interface for system administration for Unix.
Rancher - Open Source Platform for Running a Private Container Service
Vesta Control Panel - – What I love about Vesta is that it's fast and easy to use