head to head · open source
Zen Browser vs nextai-translator
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. nextai-translator has 25,021 stars, 1,853 forks, 529 open issues and last shipped yesterday. Zen Browser leads on adoption by 82% (45,517 vs 25,021 stars). Zen Browser is written in C++ under MPL-2.0; nextai-translator is written in TypeScript under AGPL-3.0. Zen Browser has attracted 4% as many forks as stars, nextai-translator 7%. 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 | nextai-translator | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 25K |
| License | MPL-2.0 | AGPL-3.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 1.9K |
| 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 nextai-translator if
- You want the nextai-translator feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and nextai-translator 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 nextai-translator
Due to receiving a trademark ownership warning from OpenAI, this project and product has been renamed to nextai translator. We hope you understand. English 中文 The translator that does more than just translation Why Yet another Translator I have developed a Bob plugin that utilizes ChatGPT API to provide global word translation on macOS. However, since not all users have access to macOS to benefit from the plugin, I have created this project! More than just a browser extension What began as a Chrome extension has now evolved into a multi platform desktop app that I am currently developing. More than just…
read the full nextai-translator overview →
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Frequently asked questions
Is Zen Browser or nextai-translator more popular?
Zen Browser has 45,517 GitHub stars and nextai-translator has 25,021. Zen Browser has the larger community by that measure.
Are Zen Browser and nextai-translator free?
Both are open source. Zen Browser is licensed under MPL-2.0 and nextai-translator under AGPL-3.0. Neither carries a licence fee.
What is the difference between Zen Browser and nextai-translator?
Zen Browser is written in C++ and nextai-translator 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 nextai-translator?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose nextai-translator if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.