head to head · open source
Jan vs quivr
Jan has 44,803 GitHub stars, 3,069 forks, 521 open issues and last shipped today. quivr has 39,579 stars, 3,740 forks, 9 open issues and last shipped today. Jan leads on adoption by 13% (44,803 vs 39,579 stars). Jan is written in Rust under a custom or non-standard licence; quivr is written in Go under MIT. Jan has attracted 7% as many forks as stars, quivr 9%. quivr was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (chatgpt, llm), so they are genuine substitutes rather than adjacent tools.
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
| Jan | quivr | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 40K |
| License | Custom / other | MIT |
| Written in | Rust | Go |
| Last push | 2026-10-05 | 2026-10-05 |
| Forks | ⑂ 3.1K | ⑂ 3.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Jan if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Rust
- You value the larger contributor base for long-term maintenance
pick quivr if
- You want the quivr feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and quivr fits your workflow better
About Jan
Jan is an open source desktop application that serves as a ChatGPT replacement, enabling users to run large language models (LLMs) locally on their machines or connect to cloud based providers like OpenAI and Anthropic. It is built with Tauri, TypeScript, and integrates llama.cpp for efficient local inference, targeting privacy conscious users who want full control over their AI workflows without sending data to third parties.
About quivr
Quivr V2 is an open source Go engine that ingests continuous content streams durably, makes them searchable within seconds, and tracks a topic over time through alerts — built for developers who want search and monitoring over their own content without forking a platform.
read the full quivr overview →
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Frequently asked questions
Is Jan or quivr more popular?
Jan has 44,803 GitHub stars and quivr has 39,579. Jan has the larger community by that measure.
Are Jan and quivr free?
Both are open source. Jan has no licence declared in this registry, and quivr is licensed under MIT. Both are free to self-host.
What is the difference between Jan and quivr?
Jan is written in Rust and quivr 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, Jan or quivr?
Choose Jan if you want the larger community (44,803 stars) or its Custom / other licence terms. Choose quivr if its feature set, stack or MIT licence fits better. Both are self-hostable.