head to head · open source
ragflow vs feynman
ragflow has 91,279 GitHub stars, 10,823 forks, 1,525 open issues and last shipped yesterday. feynman has 9,781 stars, 1,087 forks, 1 open issues and last shipped today. ragflow leads on adoption by 833% (91,279 vs 9,781 stars). ragflow is written in Go under Apache-2.0; feynman is written in TypeScript under MIT. ragflow has attracted 12% as many forks as stars, feynman 11%. feynman 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
| ragflow | feynman | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 9.8K |
| License | Apache-2.0 | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-09-24 | 2026-09-25 |
| Forks | ⑂ 11K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ragflow if
- You weight community size — 91K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick feynman if
- You want the feynman feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and feynman fits your workflow better
About ragflow
RAGFlow is an open source Retrieval Augmented Generation engine that fuses RAG with agent capabilities into a context layer for large language models, built for developers and teams that need to turn complex, unstructured documents into production AI systems.
read the full ragflow overview →
About feynman
Feynman is the open source AI research agent: an MIT licensed TypeScript command line tool that searches papers and the web and answers with cited sources, aimed at researchers, engineers, and research groups.
read the full feynman overview →
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Frequently asked questions
Is ragflow or feynman more popular?
ragflow has 91,279 GitHub stars and feynman has 9,781. ragflow has the larger community by that measure.
Are ragflow and feynman free?
Both are open source. ragflow is licensed under Apache-2.0 and feynman under MIT. Neither carries a licence fee.
What is the difference between ragflow and feynman?
ragflow is written in Go and feynman 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, ragflow or feynman?
Choose ragflow if you want the larger community (91,279 stars) or its Apache-2.0 licence terms. Choose feynman if its feature set, stack or MIT licence fits better. Both are self-hostable.