head to head · open source
conductor vs aperture
conductor has 32,401 GitHub stars, 1,051 forks, 253 open issues and last shipped yesterday. aperture has 732 stars, 37 forks, 99 open issues and last shipped 11 months ago. conductor leads on adoption by 4,326% (32,401 vs 732 stars). conductor is written in Java under Apache-2.0; aperture is written in Go under Apache-2.0. conductor has attracted 3% as many forks as stars, aperture 5%. 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 | aperture | |
|---|---|---|
| GitHub stars | ★ 32K | ★ 732 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Go |
| Last push | 2026-11-02 | 2025-12-21 |
| Forks | ⑂ 1.1K | ⑂ 37 |
| 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 aperture if
- You want the aperture 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 aperture 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 aperture
🥷 FluxNinja Aperture Aperture is a distributed load management platform designed for rate limiting, caching, and prioritizing requests in cloud applications. Built upon a foundation of distributed counters, observability, and a global control plane, it provides a comprehensive suite of load management capabilities. These capabilities enhance the reliability and performance of cloud applications, while also optimizing cost and resource utilization. Integrating Aperture in your application through SDKs is a simple 3 step process: Define labels : Define labels to identify users, entities, or features within your…
read the full aperture overview →
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Frequently asked questions
Is conductor or aperture more popular?
conductor has 32,401 GitHub stars and aperture has 732. conductor has the larger community by that measure.
Are conductor and aperture free?
Both are open source. conductor is licensed under Apache-2.0 and aperture under Apache-2.0. Neither carries a licence fee.
What is the difference between conductor and aperture?
conductor is written in Java and aperture 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 aperture?
Choose conductor if you want the larger community (32,401 stars) or its Apache-2.0 licence terms. Choose aperture if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.