head to head · open source
ragflow vs skillhub
ragflow has 91,015 GitHub stars, 10,780 forks, 1,525 open issues and last shipped today. skillhub has 5,127 stars, 842 forks, 34 open issues and last shipped yesterday. ragflow leads on adoption by 1,675% (91,015 vs 5,127 stars). ragflow is written in Go under Apache-2.0; skillhub is written in Java under Apache-2.0. ragflow has attracted 12% as many forks as stars, skillhub 16%. ragflow 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 | skillhub | |
|---|---|---|
| GitHub stars | ★ 91K | ★ 5.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | Java |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 11K | ⑂ 842 |
| 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 skillhub if
- You want the skillhub 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 skillhub 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 skillhub
SkillHub is a self hosted, open source agent skill registry that gives enterprises a private, governed place to publish, discover, and manage reusable agent skill packages behind their own firewall.
read the full skillhub overview →
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Frequently asked questions
Is ragflow or skillhub more popular?
ragflow has 91,015 GitHub stars and skillhub has 5,127. ragflow has the larger community by that measure.
Are ragflow and skillhub free?
Both are open source. ragflow is licensed under Apache-2.0 and skillhub under Apache-2.0. Neither carries a licence fee.
What is the difference between ragflow and skillhub?
ragflow is written in Go and skillhub 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, ragflow or skillhub?
Choose ragflow if you want the larger community (91,015 stars) or its Apache-2.0 licence terms. Choose skillhub if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.