head to head · open source
Kestra vs viewflow
Kestra has 30,122 GitHub stars, 3,495 forks, 713 open issues and last shipped yesterday. viewflow has 2,873 stars, 415 forks, 19 open issues and last shipped 5 days ago. Kestra leads on adoption by 948% (30,122 vs 2,873 stars). Kestra is written in Java under Apache-2.0; viewflow is written in Python under AGPL-3.0. Kestra has attracted 12% as many forks as stars, viewflow 14%. 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 | viewflow | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 2.9K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-10-29 |
| Forks | ⑂ 3.5K | ⑂ 415 |
| 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 viewflow if
- You want the viewflow feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and viewflow 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 viewflow
Viewflow The low code for developers with yesterday's deadline [![build]][build] [![coverage]][coverage] [![pypi version]][pypi] [![py versions]][pypi] Viewflow is a low code library for building business applications with Django. It gives you ready made components for user management, workflows, and reporting. You write less code but keep full control. You can customize everything and connect it to your existing systems. Build full featured business applications in a few lines of code. Viewflow ships as one package with everything included. Each part works on its own, but they all work well together. GPT…
read the full viewflow overview →
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Frequently asked questions
Is Kestra or viewflow more popular?
Kestra has 30,122 GitHub stars and viewflow has 2,873. Kestra has the larger community by that measure.
Are Kestra and viewflow free?
Both are open source. Kestra is licensed under Apache-2.0 and viewflow under AGPL-3.0. Neither carries a licence fee.
What is the difference between Kestra and viewflow?
Kestra is written in Java and viewflow in Python. 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 viewflow?
Choose Kestra if you want the larger community (30,122 stars) or its Apache-2.0 licence terms. Choose viewflow if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.