compare
Apache CloudStack vs OpenNebula
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Apache CloudStack | OpenNebula |
|---|---|---|
| Language | Java | JavaScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 3.1k | 1.8k |
| Latest | 4.23.0.0 | release-7.4.1 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 15 days between releases | too few releases |
| Active contributors | 50 commit authors on the default branch in the last 90 days | 20 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace VMware vSphere. Alternatives to VMware vSphere →
PartialApache CloudStackRuns KVM, VMware and XenServer hosts as a multi-tenant IaaS cloud with networking and self-service, not a vCenter replacement.
Full replacementOpenNebulaManages KVM and LXC hosts, storage and networks from one web UI, with multi-tenancy.
Apache CloudStack
- 4.23.0.02026-09-02Apache CloudStack 4.23.0.0 (Regular)
- 4.22.1.12026-08-21Apache CloudStack 4.22.1.1 (LTS Security Release)
- 4.20.3.12026-08-21Apache CloudStack 4.20.3.1 (LTS Security Release)
- 4.22.1.02026-05-26Apache CloudStack 4.22.1.0 (LTS)
- 4.22.0.12026-05-08Apache CloudStack 4.22.0.1 (LTS Security Release)
OpenNebula
This repository publishes tags, not GitHub releases.
Apache CloudStack
✓ signed The latest release, 4.23.0.0, carries a signature GitHub verified.
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OpenNebula
✓ signed The latest release, release-7.4.1, carries a signature GitHub verified.
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