head to head · open source
cloudstack vs one
cloudstack has 3,127 GitHub stars, 1,418 forks, 1,048 open issues and last shipped yesterday. one has 1,765 stars, 543 forks, 771 open issues and last shipped yesterday. cloudstack leads on adoption by 77% (3,127 vs 1,765 stars). cloudstack is written in Java under Apache-2.0; one is written in JavaScript under Apache-2.0. cloudstack has attracted 45% as many forks as stars, one 31%. cloudstack was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 5 topic tags (cloud, kvm, orchestration, virtual-machine), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| cloudstack | one | |
|---|---|---|
| GitHub stars | ★ 3.1K | ★ 1.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | JavaScript |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 1.4K | ⑂ 543 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick cloudstack if
- You weight community size — 3.1K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick one if
- You want the one feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and one fits your workflow better
About cloudstack
Apache CloudStack Who Uses CloudStack? Demo Getting Started Getting Source Repository Documentation News and Events Getting Involved and Contributing Reporting Security Vulnerabilities License Notice of Cryptographic Software Star History Contributors Apache CloudStack is open source software designed to deploy and manage large networks of virtual machines, as a highly available, highly scalable Infrastructure as a Service (IaaS) cloud computing platform. CloudStack is used by a number of service providers to offer public cloud services, and by many companies to provide an on premises (private) cloud offering…
read the full cloudstack overview →
About one
Description OpenNebula is an open source cloud management platform for building and operating private clouds, edge infrastructures, distributed cloud deployments, and AI Factories. It provides a unified platform to manage Virtual Machines, Kubernetes Clusters, and GPU accelerated workloads across on premises, edge, and hybrid environments through a simple yet powerful cloud operating model. Key Features Unified Cloud Management – Manage virtualized, containerized, and AI workloads from a single platform. Flexible Access Interfaces – Web UI, CLI, REST API, Terraform provider, and automation tools. Federated…
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Frequently asked questions
Is cloudstack or one more popular?
cloudstack has 3,127 GitHub stars and one has 1,765. cloudstack has the larger community by that measure.
Are cloudstack and one free?
Both are open source. cloudstack is licensed under Apache-2.0 and one under Apache-2.0. Neither carries a licence fee.
What is the difference between cloudstack and one?
cloudstack is written in Java and one in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, cloudstack or one?
Choose cloudstack if you want the larger community (3,127 stars) or its Apache-2.0 licence terms. Choose one if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.