ManageIQ vs Proxmox Datacenter Manager

ManageIQ is a free, open-source cloud management platform for discovering and managing connected infrastructure. It inventories virtualization, container, network, and storage systems, maps relationships, and tracks changes. Its service catalog lets users order resource bundles and manage their lifecycle through policy, compliance, delegated operations, chargeback or showback, and retirement. ManageIQ scans virtual machines, hosts, and containers without agents, including foreign and uncooperative VMs. For optimization, it captures utilization metrics and supports identifying unused systems, right-sizing recommendations, capacity planning, and what-if scenarios. The agentless virtual appliance can run standalone or in a federated deployment. Other deployment options include appliances on cloud and virtualization platforms, a Docker monolithic container, and podified deployments on Kubernetes and OpenShift. A REST API uses HTTP requests and responses with JSON. Listed providers include AWS, Azure, Google Cloud, IBM Cloud, Kubernetes, OpenStack, Red Hat, and VMware, but supported operations vary by provider. Docker and Vagrant downloads are intended for proof-of-concept and non-production use.

Proxmox Datacenter Manager has no write-up on Specifiction yet; its figures are above.