head to head · open source
conductor vs atmos
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. atmos has 1,409 stars, 197 forks, 289 open issues and last shipped yesterday. conductor leads on adoption by 2,200% (32,401 vs 1,409 stars). conductor is written in Java under Apache-2.0; atmos is written in Go under Apache-2.0. conductor has attracted 3% as many forks as stars, atmos 14%. atmos 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
| conductor | atmos | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 1.4K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.1K | ⑂ 197 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick conductor if
- You weight community size — 32K 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 atmos if
- You want the atmos feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and atmos fits your workflow better
About conductor
Conductor Durable Execution for Workflows and Agents Build agents that adapt. Run graphs that endure. Conductor is an open source durable execution platform for microservices, AI agents, and adaptive workflow graphs. It turns runtime choices—loops, branching, fan out, tool calls, approvals, retries, and cancellation—into durable, inspectable execution. It originated at Netflix and is actively maintained by Orkes and the community. Get Running in 60 Seconds Prerequisites: Node.js v16+ and Java 21+ must be installed. Open — your server is running with the built in ui next UI. Upgrading from a previous version? The…
read the full conductor overview →
About atmos
Run your infrastructure anywhere. Atmos is the open source runtime for infrastructure — it builds, authenticates, and ships Terraform, OpenTofu, Kubernetes, Helm, and containers the same way on your laptop, in CI, and with AI agents. Auth, secrets, vendoring, caching, the toolchain, workflows, and CI are built in. Point every environment at the same reusable root modules and treat the rest as configuration. Stop stringing together 25 tools. Run it on your laptop. Run it the same in CI. Run it with agents. Everything is open source and free. [!TIP] You can try out atmos directly in your browser using GitHub…
read the full atmos overview →
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Frequently asked questions
Is conductor or atmos more popular?
conductor has 32,401 GitHub stars and atmos has 1,409. conductor has the larger community by that measure.
Are conductor and atmos free?
Both are open source. conductor is licensed under Apache-2.0 and atmos under Apache-2.0. Neither carries a licence fee.
What is the difference between conductor and atmos?
conductor is written in Java and atmos 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, conductor or atmos?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose atmos if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.