head to head · open source
conductor vs sre
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. sre has 1,302 stars, 204 forks, 35 open issues and last shipped 7 months ago. conductor leads on adoption by 2,389% (32,401 vs 1,302 stars). conductor is written in Java under Apache-2.0; sre is written in TypeScript under MIT. conductor has attracted 3% as many forks as stars, sre 16%. 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 | sre | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 1.3K |
| License | Apache-2.0 | MIT |
| Written in | Java | TypeScript |
| Last push | 2026-11-02 | 2026-04-03 |
| Forks | ⑂ 1.1K | ⑂ 204 |
| 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 sre if
- You want the sre feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and sre 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 sre
SmythOS The Linux of AI Agents Reliable Agent Engineering starts with great, open source infrastructure. This repository contains the Smyth Runtime Environment Kernel (SRE), the Software Development Kit (SDK) and Command Line Interface (CLI) for running agents and creating them with code. If you prefer visual drag & drop agent interfaces instead, check out our open source SmythOS Visual Agent Studio! Great community, support, tutorials. Start in minutes! SmythOS Runtime Environment (SRE) SRE is an open source runtime and SDK for production AI agents. It provides OS level abstractions for AI resources—LLMs…
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Frequently asked questions
Is conductor or sre more popular?
conductor has 32,401 GitHub stars and sre has 1,302. conductor has the larger community by that measure.
Are conductor and sre free?
Both are open source. conductor is licensed under Apache-2.0 and sre under MIT. Neither carries a licence fee.
What is the difference between conductor and sre?
conductor is written in Java and sre in TypeScript. 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 sre?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose sre if its feature set, stack or MIT licence fits better. Both are self-hostable.