head to head · open source
conductor vs service-fabric
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. service-fabric has 3,072 stars, 401 forks, 847 open issues and last shipped yesterday. conductor leads on adoption by 955% (32,401 vs 3,072 stars). conductor is written in Java under Apache-2.0; service-fabric is written in various languages under MIT. conductor has attracted 3% as many forks as stars, service-fabric 13%. service-fabric was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (distributed-systems), 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
| conductor | service-fabric | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 3.1K |
| License | Apache-2.0 | MIT |
| Written in | Java | — |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.1K | ⑂ 401 |
| 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 service-fabric if
- You want the service-fabric feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and service-fabric 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 service-fabric
Service Fabric Service Fabric is a distributed systems platform for packaging, deploying, and managing stateless and stateful distributed applications and containers at large scale. Service Fabric runs on Windows and Linux, on any cloud, any datacenter, across geographic regions, or on your laptop.Service Fabric represents the next generation platform for building and managing these enterprise class, tier 1, cloud scale applications running in containers. Architecture and Subsystem Explorer Learn about Service Fabric's Core Subsystems, mapped to this repo's folder structure. Service Fabric release schedule Here…
read the full service-fabric overview →
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Frequently asked questions
Is conductor or service-fabric more popular?
conductor has 32,401 GitHub stars and service-fabric has 3,072. conductor has the larger community by that measure.
Are conductor and service-fabric free?
Both are open source. conductor is licensed under Apache-2.0 and service-fabric under MIT. Neither carries a licence fee.
What is the difference between conductor and service-fabric?
conductor is written in Java and service-fabric in various languages. 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 service-fabric?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose service-fabric if its feature set, stack or MIT licence fits better. Both are self-hostable.