head to head · open source
Prefect vs astron-agent
Prefect has 24,109 GitHub stars, 2,624 forks, 858 open issues and last shipped yesterday. astron-agent has 8,956 stars, 910 forks, 46 open issues and last shipped yesterday. Prefect leads on adoption by 169% (24,109 vs 8,956 stars). Prefect is written in Python under Apache-2.0; astron-agent is written in Java under Apache-2.0. Prefect has attracted 11% as many forks as stars, astron-agent 10%. Prefect 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
| Prefect | astron-agent | |
|---|---|---|
| GitHub stars | ★ 24K | ★ 9.0K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Java |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.6K | ⑂ 910 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Prefect if
- You weight community size — 24K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick astron-agent if
- You want the astron-agent feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Java
- You evaluated both and astron-agent fits your workflow better
About Prefect
Installation · Quickstart · Build workflows · Deploy workflows · Prefect Cloud Prefect Prefect is a workflow orchestration framework for building data pipelines in Python. It's the simplest way to elevate a script into a production workflow. With Prefect, you can build resilient, dynamic data pipelines that react to the world around them and recover from unexpected changes. With just a few lines of code, data teams can confidently automate any data process with features such as scheduling, caching, retries, and event based automations. Workflow activity is tracked and can be monitored with a self hosted Prefect…
read the full Prefect overview →
About astron-agent
English 简体中文 日本語 🔭 What is Astron Agent Astron Agent is an enterprise grade, commercial friendly Agentic Workflow development platform that integrates AI workflow orchestration, model management, AI and MCP tool integration, RPA automation, and team collaboration features. The platform supports high availability deployment, enabling organizations to rapidly build scalable, production ready intelligent agent applications and establish their AI foundation for the future. Why Choose Astron Agent? Stable and Reliable : Built on the same core technology as the iFLYTEK Astron Agent Platform, providing enterprise…
read the full astron-agent overview →
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Frequently asked questions
Is Prefect or astron-agent more popular?
Prefect has 24,109 GitHub stars and astron-agent has 8,956. Prefect has the larger community by that measure.
Are Prefect and astron-agent free?
Both are open source. Prefect is licensed under Apache-2.0 and astron-agent under Apache-2.0. Neither carries a licence fee.
What is the difference between Prefect and astron-agent?
Prefect is written in Python and astron-agent in Java. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Prefect or astron-agent?
Choose Prefect if you want the larger community (24,109 stars) or its Apache-2.0 licence terms. Choose astron-agent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.