head to head · open source
Zen Browser vs chathub
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. chathub has 10,654 stars, 1,112 forks, 16 open issues and last shipped 14 days ago. Zen Browser leads on adoption by 327% (45,517 vs 10,654 stars). Zen Browser is written in C++ under MPL-2.0; chathub is written in TypeScript under GPL-3.0. Zen Browser has attracted 4% as many forks as stars, chathub 10%. Zen Browser 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
| Zen Browser | chathub | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 11K |
| License | MPL-2.0 | GPL-3.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-10-20 |
| Forks | ⑂ 1.9K | ⑂ 1.1K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zen Browser if
- You weight community size — 46K stars and counting
- You want the MPL-2.0 license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick chathub if
- You want the chathub feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and chathub fits your workflow better
About Zen Browser
Zen Browser Zen is a firefox based browser with the aim of pushing your productivity to a new level! Download • Website • Documentation • Release Notes Firefox Versions Release Is currently built using Firefox version 155.0.1 ! Twilight Is currently built using Firefox version RC 155.0.1 ! Contributing If you'd like to report a bug, please do so on our GitHub Issues page and for feature requests, you can use GitHub Discussions. Zen is an open source project, and we welcome contributions from the community! Please take a look at the contribution guidelines before getting started! Partners Thanks to all the…
read the full Zen Browser overview →
About chathub
ChatHub Install 📷 Screenshot 🤝 Sponsors ✨ Features 🤖 Use different chatbots in one app, currently supporting ChatGPT, new Bing Chat, Google Bard, Claude, and open source models including LLama2, Vicuna, ChatGLM etc 💬 Chat with multiple chatbots at the same time, making it easy to compare their answers 🚀 Support ChatGPT API and GPT 4 Browsing 🔍 Shortcut to quickly activate the app anywhere in the browser 🎨 Markdown and code highlight support 📚 Prompt Library for custom prompts and community prompts 💾 Conversation history saved locally 📥 Export and Import all your data 🔗 Share conversation to markdown…
read the full chathub overview →
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Frequently asked questions
Is Zen Browser or chathub more popular?
Zen Browser has 45,517 GitHub stars and chathub has 10,654. Zen Browser has the larger community by that measure.
Are Zen Browser and chathub free?
Both are open source. Zen Browser is licensed under MPL-2.0 and chathub under GPL-3.0. Neither carries a licence fee.
What is the difference between Zen Browser and chathub?
Zen Browser is written in C++ and chathub 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, Zen Browser or chathub?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose chathub if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.