head to head · open source
quivr vs ChatUI
quivr has 39,624 GitHub stars, 3,731 forks, 9 open issues and last shipped yesterday. ChatUI has 4,462 stars, 426 forks, 53 open issues and last shipped 22 days ago. quivr leads on adoption by 788% (39,624 vs 4,462 stars). quivr is written in Go under MIT; ChatUI is written in TypeScript under MIT. quivr has attracted 9% as many forks as stars, ChatUI 10%. quivr was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (chatbot), 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
| quivr | ChatUI | |
|---|---|---|
| GitHub stars | ★ 40K | ★ 4.5K |
| License | MIT | MIT |
| Written in | Go | TypeScript |
| Last push | 2026-11-02 | 2026-10-12 |
| Forks | ⑂ 3.7K | ⑂ 426 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick quivr if
- You weight community size — 40K stars and counting
- You want the MIT license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick ChatUI if
- You want the ChatUI feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and ChatUI fits your workflow better
About quivr
Quivr V2 An open source engine that turns continuous content streams into search and monitoring. Quivr V2 ingests content durably, makes it searchable within seconds, enriches it in the background and lets you follow a topic over time. The core stays generic: formats, AI models and business rules belong in plugins, so you can adapt Quivr to your domain without forking the platform. Status: evaluation stage. The API is v0 and may change without notice. Do not run it in production yet. Why Quivr V2 Durable before fast. A write is acknowledged only once it is committed; outages delay processing, they never lose or…
read the full quivr overview →
About ChatUI
The UI design language and React library for Conversational UI Website： English 简体中文 Features 😎 Best Practices : The best practice for chat interaction based on our experience of Alime Chatbot 🛡 TypeScript : Written in TypeScript with predictable static types 📱 Responsive : Responsive design to adapt automatically to whatever device ♿ Accessibility : Accessibility support and get the certification from Accessibility Research Association 🎨 Theming : Powerful theme customization in every detail 🌍 International : Internationalization support for dozens of languages Environment Support Modern browsers (support…
read the full ChatUI overview →
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Frequently asked questions
Is quivr or ChatUI more popular?
quivr has 39,624 GitHub stars and ChatUI has 4,462. quivr has the larger community by that measure.
Are quivr and ChatUI free?
Both are open source. quivr is licensed under MIT and ChatUI under MIT. Neither carries a licence fee.
What is the difference between quivr and ChatUI?
quivr is written in Go and ChatUI 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, quivr or ChatUI?
Choose quivr if you want the larger community (39,624 stars) or its MIT licence terms. Choose ChatUI if its feature set, stack or MIT licence fits better. Both are self-hostable.