head to head · open source
nanobrowser vs parchi
nanobrowser has 14,232 GitHub stars, 1,522 forks, 81 open issues and last shipped 12 days ago. parchi has 546 stars, 57 forks, 11 open issues and last shipped 6 days ago. nanobrowser leads on adoption by 2,507% (14,232 vs 546 stars). nanobrowser is written in TypeScript under Apache-2.0; parchi is written in TypeScript under MIT. nanobrowser has attracted 11% as many forks as stars, parchi 10%. parchi was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (agent, browser-automation), 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
| nanobrowser | parchi | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 546 |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-10-24 | 2026-10-30 |
| Forks | ⑂ 1.5K | ⑂ 57 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobrowser if
- You weight community size — 14K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick parchi if
- You want the parchi feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and parchi fits your workflow better
About nanobrowser
🌐 Nanobrowser Nanobrowser is an open source AI web automation tool that runs in your browser. A free alternative to OpenAI Operator with flexible LLM options and multi agent system. ⬇️ Get Nanobrowser from Chrome Web Store for free 👏 Join the community in Discord X 🌟 Loving Nanobrowser? Give us a star and help spread the word! ❤️ Support the project by sponsoring us every contribution helps keep Nanobrowser free and open source! Nanobrowser's multi agent system analyzing HuggingFace in real time, with the Planner intelligently self correcting when encountering obstacles and dynamically instructing the…
read the full nanobrowser overview →
About parchi
Parchi AI powered browser copilot (Chrome/Firefox extension). Chat driven browser automation in a side panel: navigate, read, click, type, extract, and summarize. ⚠️ Safety Notice Browser automation can perform sensitive actions on your behalf. Use this tool only if you understand and accept the risks: automation may violate site terms of service prompt injection can cause unsafe actions sensitive information can be exposed if you run untrusted prompts/pages Always review model output and keep strict tool/domain controls enabled when needed. 📦 Installation Chrome (recommended) Then: 1. Open chrome://extensions…
read the full parchi overview →
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Frequently asked questions
Is nanobrowser or parchi more popular?
nanobrowser has 14,232 GitHub stars and parchi has 546. nanobrowser has the larger community by that measure.
Are nanobrowser and parchi free?
Both are open source. nanobrowser is licensed under Apache-2.0 and parchi under MIT. Neither carries a licence fee.
What is the difference between nanobrowser and parchi?
nanobrowser is written in TypeScript and parchi 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, nanobrowser or parchi?
Choose nanobrowser if you want the larger community (14,232 stars) or its Apache-2.0 licence terms. Choose parchi if its feature set, stack or MIT licence fits better. Both are self-hostable.