Private cloud. OpenStack allows organisations to bootstrap their own private cloud infrastructure, benefitting from maximum cost optimisation in multi-cloud ...
OpenStack is a versatile and powerful platform that is well-suited to private cloud environments. Its flexibility, scalability, and comprehensive feature set
OpenStack is an open source cloud computing infrastructure software project and is one of the three most active open source projects in the world. OpenStack Documentation · VMware Migration to OpenStack · Software · Wiki
Personally, I think OpenStack will continue to play a key role in private cloud, especially for organizations focused on flexibility and customization.