head to head · open source
conductor vs Tracely-ai
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. Tracely-ai has 1,530 stars, 173 forks, 21 open issues and last shipped 27 days ago. conductor leads on adoption by 2,018% (32,401 vs 1,530 stars). conductor is written in Java under Apache-2.0; Tracely-ai is written in Python under MIT. conductor has attracted 3% as many forks as stars, Tracely-ai 11%. conductor 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 | Tracely-ai | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 1.5K |
| License | Apache-2.0 | MIT |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-10-07 |
| Forks | ⑂ 1.1K | ⑂ 173 |
| 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 Tracely-ai if
- You want the Tracely-ai feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and Tracely-ai 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 Tracely-ai
Tracely Production failures become regression tests. Trace native CI/CD for AI agents. Tracely grades every agent trace as it lands, clusters the failures into issues, freezes the bad runs into hermetic replayable cases, blocks the pull request that would ship them again — and tells you the moment any of it happens. production trace → failure detection → regression test → CI gate → alert Website · Docs · Product guide · Agent skill · Guided tour · 2 min demo · Design dossier Self host the whole stack in one click — API, worker, UI, Postgres, ClickHouse, Redis and MinIO: One workspace: what ran, what broke, what…
read the full Tracely-ai overview →
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Frequently asked questions
Is conductor or Tracely-ai more popular?
conductor has 32,401 GitHub stars and Tracely-ai has 1,530. conductor has the larger community by that measure.
Are conductor and Tracely-ai free?
Both are open source. conductor is licensed under Apache-2.0 and Tracely-ai under MIT. Neither carries a licence fee.
What is the difference between conductor and Tracely-ai?
conductor is written in Java and Tracely-ai 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, conductor or Tracely-ai?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose Tracely-ai if its feature set, stack or MIT licence fits better. Both are self-hostable.