head to head · open source
Kestra vs kala
Kestra has 28,146 GitHub stars, 2,997 forks, 713 open issues and last shipped yesterday. kala has 2,156 stars, 190 forks, 15 open issues and last shipped 10 months ago. Kestra leads on adoption by 1,205% (28,146 vs 2,156 stars). Kestra is written in Java under Apache-2.0; kala is written in Go under MIT. Kestra has attracted 11% as many forks as stars, kala 9%. 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 | kala | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 2.2K |
| License | Apache-2.0 | MIT |
| Written in | Java | Go |
| Last push | 2026-09-17 | 2025-12-05 |
| Forks | ⑂ 3.0K | ⑂ 190 |
| 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 kala if
- You want the kala feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and kala 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 kala
Kala is an open source job scheduler written in Go under the MIT license. It sits in the Infrastructure & Operations / Orchestration & Scheduling category and describes itself as a modern service for scheduling jobs. The project ships as a single binary with no external dependencies, exposes a JSON over HTTP API, includes a web UI, and supports persistent storage through several database drivers.
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Frequently asked questions
Is Kestra or kala more popular?
Kestra has 28,146 GitHub stars and kala has 2,156. Kestra has the larger community by that measure.
Are Kestra and kala free?
Both are open source. Kestra is licensed under Apache-2.0 and kala under MIT. Neither carries a licence fee.
What is the difference between Kestra and kala?
Kestra is written in Java and kala in Go. 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 kala?
Choose Kestra if you want the larger community (28,146 stars) or its Apache-2.0 licence terms. Choose kala if its feature set, stack or MIT licence fits better. Both are self-hostable.