head to head · open source
conductor vs Queuer
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. Queuer has 1,150 stars, 46 forks, 1 open issues and last shipped 4 months ago. conductor leads on adoption by 2,717% (32,401 vs 1,150 stars). conductor is written in Java under Apache-2.0; Queuer is written in Swift under MIT. conductor has attracted 3% as many forks as stars, Queuer 4%. 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 | Queuer | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 1.1K |
| License | Apache-2.0 | MIT |
| Written in | Java | Swift |
| Last push | 2026-11-02 | 2026-07-15 |
| Forks | ⑂ 1.1K | ⑂ 46 |
| 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 Queuer if
- You want the Queuer feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Swift
- You evaluated both and Queuer 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 Queuer
Queuer Queuer is a queue manager built on top of OperationQueue and Dispatch (aka GCD). It allows you to create asynchronous and synchronous tasks easily, all managed by a queue, with just a few lines. Features [x] Works on all Swift compatible platforms (Linux, Android, and Windows included) [x] Easy to use [x] Well documented (100% documented) [x] Well tested (100% of code coverage) [x] Create an operation block [x] Create a single operation [x] Create chained operations [x] Manage a centralized queue [x] Create unlimited queues [x] Declare how many concurrent operations a queue can handle [x] Create…
read the full Queuer overview →
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Frequently asked questions
Is conductor or Queuer more popular?
conductor has 32,401 GitHub stars and Queuer has 1,150. conductor has the larger community by that measure.
Are conductor and Queuer free?
Both are open source. conductor is licensed under Apache-2.0 and Queuer under MIT. Neither carries a licence fee.
What is the difference between conductor and Queuer?
conductor is written in Java and Queuer in Swift. 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 Queuer?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose Queuer if its feature set, stack or MIT licence fits better. Both are self-hostable.