head to head · open source
Archon vs operaton
Archon has 23,780 GitHub stars, 3,513 forks, 321 open issues and last shipped yesterday. operaton has 501 stars, 134 forks, 68 open issues and last shipped yesterday. Archon leads on adoption by 4,647% (23,780 vs 501 stars). Archon is written in TypeScript under MIT; operaton is written in Java under Apache-2.0. Archon has attracted 15% as many forks as stars, operaton 27%. Archon was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (workflow-engine), 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
| Archon | operaton | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 501 |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Java |
| Last push | 2026-10-27 | 2026-10-27 |
| Forks | ⑂ 3.5K | ⑂ 134 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Archon if
- You weight community size — 24K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick operaton if
- You want the operaton 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 operaton fits your workflow better
About Archon
Archon The first open source harness builder for AI coding. Make AI coding deterministic and repeatable. Archon is a workflow engine for AI coding agents. Define your development processes as YAML workflows planning, implementation, validation, code review, PR creation and run them reliably across all your projects. Like what Dockerfiles did for infrastructure and GitHub Actions did for CI/CD Archon does for AI coding workflows. Think n8n, but for software development. Why Archon? When you ask an AI agent to "fix this bug", what happens depends on the model's mood. It might skip planning. It might forget to run…
read the full Archon overview →
About operaton
The open source BPMN platform for mission critical process automation Forum · Documentation · Roadmap Operaton is a native BPMN 2.0 process engine that runs inside the Java Virtual Machine. Born from the Camunda 7 community edition, Operaton continues to evolve and modernize the platform as a truly community driven project. Proven — Evolved from the Camunda 7 codebase, with over a decade of production use by thousands of companies worldwide. Embeddable — Runs inside any Java application. Integrates with Spring Boot, Quarkus, and Jakarta EE. Full Stack — Process engine, REST API, and web apps (Cockpit, Tasklist…
read the full operaton overview →
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Frequently asked questions
Is Archon or operaton more popular?
Archon has 23,780 GitHub stars and operaton has 501. Archon has the larger community by that measure.
Are Archon and operaton free?
Both are open source. Archon is licensed under MIT and operaton under Apache-2.0. Neither carries a licence fee.
What is the difference between Archon and operaton?
Archon is written in TypeScript and operaton 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, Archon or operaton?
Choose Archon if you want the larger community (23,780 stars) or its MIT licence terms. Choose operaton if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.