head to head · open source
Kestra vs one
Kestra has 30,122 GitHub stars, 3,495 forks, 713 open issues and last shipped yesterday. one has 1,764 stars, 542 forks, 771 open issues and last shipped yesterday. Kestra leads on adoption by 1,608% (30,122 vs 1,764 stars). Kestra is written in Java under Apache-2.0; one is written in JavaScript under Apache-2.0. Kestra has attracted 12% as many forks as stars, one 31%. 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 | one | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 1.8K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | JavaScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 3.5K | ⑂ 542 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Kestra if
- You weight community size — 30K 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 Kestra
Open source orchestration platform for data, AI, and infrastructure workflows Click on the image to learn how to get started with Kestra in 3 minutes. 🌟 What is Kestra? Kestra is an open source, event driven orchestration platform for data, AI, and infrastructure workflows. It unifies scheduled and event driven automation behind a declarative, language agnostic interface. By bringing Infrastructure as Code best practices to your data, process, and microservice pipelines, you can build reliable workflows directly from the UI in just a few lines of YAML, let the built in AI Copilot write them for you, or generate…
read the full Kestra 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 Kestra or one more popular?
Kestra has 30,122 GitHub stars and one has 1,764. Kestra has the larger community by that measure.
Are Kestra and one free?
Both are open source. Kestra is licensed under Apache-2.0 and one under Apache-2.0. Neither carries a licence fee.
What is the difference between Kestra and one?
Kestra 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, Kestra or one?
Choose Kestra if you want the larger community (30,122 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.