head to head · open source
Zen Browser vs NooBox
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. NooBox has 522 stars, 54 forks, 37 open issues and last shipped 12 months ago. Zen Browser leads on adoption by 8,620% (45,517 vs 522 stars). Zen Browser is written in C++ under MPL-2.0; NooBox is written in TypeScript under GPL-3.0. Zen Browser has attracted 4% as many forks as stars, NooBox 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 | NooBox | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 522 |
| License | MPL-2.0 | GPL-3.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2025-11-21 |
| Forks | ⑂ 1.9K | ⑂ 54 |
| 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 NooBox if
- You want the NooBox 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 NooBox 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 NooBox
Noobox 二箱(简) 二箱(繁) Table Of Content Installation Functionalities Search By Image Extract Images Auto Refresh HTML5 Video Control (Abort) License Language Installation Chrome Web Stroe CRX Download How to Install CRX ? Setting More Tools Extension Open Developer Mode Drag CRX File Search By Image "If you’ve stumbled across an image on the internet—perhaps on your favorite social media site—and you want to know more about it, you can always ask the person responsible for the post. Odds are good that they probably just cribbed the image from somewhere else, and don’t know any more about where it came from. But…
read the full NooBox overview →
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Frequently asked questions
Is Zen Browser or NooBox more popular?
Zen Browser has 45,517 GitHub stars and NooBox has 522. Zen Browser has the larger community by that measure.
Are Zen Browser and NooBox free?
Both are open source. Zen Browser is licensed under MPL-2.0 and NooBox under GPL-3.0. Neither carries a licence fee.
What is the difference between Zen Browser and NooBox?
Zen Browser is written in C++ and NooBox 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 NooBox?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose NooBox if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.