head to head · open source
Kestra vs cloudstack
Kestra has 28,148 GitHub stars, 2,999 forks, 713 open issues and last shipped yesterday. cloudstack has 3,068 stars, 1,385 forks, 1,048 open issues and last shipped yesterday. Kestra leads on adoption by 817% (28,148 vs 3,068 stars). Kestra is written in Java under Apache-2.0; cloudstack is written in Java under Apache-2.0. Kestra has attracted 11% as many forks as stars, cloudstack 45%. Kestra was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| Kestra | cloudstack | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 3.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Java |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.0K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Kestra if
- You weight community size — 28K 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 cloudstack if
- You want the cloudstack feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and cloudstack fits your workflow better
About Kestra
Kestra is an open source, event driven orchestration platform for data, AI, and infrastructure workflows. It operates in the Java based ecosystem and is licensed under Apache 2.0. The project provides a unified interface for both scheduled and real time automation, supporting declarative workflow definitions in YAML while also offering visual and AI assisted authoring.
read the full Kestra overview →
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, or…
read the full cloudstack overview →
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Frequently asked questions
Is Kestra or cloudstack more popular?
Kestra has 28,148 GitHub stars and cloudstack has 3,068. Kestra has the larger community by that measure.
Are Kestra and cloudstack free?
Both are open source. Kestra is licensed under Apache-2.0 and cloudstack under Apache-2.0. Neither carries a licence fee.
What is the difference between Kestra and cloudstack?
Kestra is written in Java and cloudstack in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Kestra or cloudstack?
Choose Kestra if you want the larger community (28,148 stars) or its Apache-2.0 licence terms. Choose cloudstack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.