Open source alternatives to Proxmox

One project on starwire does the same job. Ranked by how much of what Proxmox does each one covers, read from its README and website. Ties go to the most active.

What Proxmox does

Run virtual machines with KVMcore
Run Linux containerscore
Web management interface
Clustering of hosts
Backups and snapshots
Storage options like ZFS and Ceph
High availability
Software-defined networking

Each dot in the table is one job, in this order. Square dots are core jobs and count double. Full means yes, half means partly. "See the evidence" under a project shows the line behind each one. Coverage is what a project documents, not how well it works or how hard it is to move to. How we score this

Project	Covers	Stars	Commits, 12 weeks	Last release	Closed vs opened	Setup	License
zsvirtKVM-based cloud infrastructure engine for managing virtual machines	Replaces it49%	2.1k+29	848	None	81%	Needs a server	GPL-3.0
Covers 1 of 2 core jobs. Partly: Storage options like ZFS and Ceph. Not shown: Run Linux containers; High availability.See the evidence Run virtual machines with KVMcoreYesattach KVM-based hosts Run Linux containerscoreNot shownNeither the README nor the website mentions it. Web management interfaceYesthrough a web UI Clustering of hostsYeshost, cluster, virtual machine, image, and lifecycle management Backups and snapshotsYesprimary storage, backup storage, volumes, snapshots Storage options like ZFS and CephPartlyprimary storage, backup storage High availabilityNot shownNeither the README nor the website mentions it. Software-defined networkingYesvirtual networks, network services, security groups

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VMware vSphere1

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