head to head · open source
Zen Browser vs quasar
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. quasar has 27,210 stars, 3,668 forks, 74 open issues and last shipped 15 days ago. Zen Browser leads on adoption by 67% (45,517 vs 27,210 stars). Zen Browser is written in C++ under MPL-2.0; quasar is written in JavaScript under MIT. Zen Browser has attracted 4% as many forks as stars, quasar 13%. 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 | quasar | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 27K |
| License | MPL-2.0 | MIT |
| Written in | C++ | JavaScript |
| Last push | 2026-11-02 | 2026-10-19 |
| Forks | ⑂ 1.9K | ⑂ 3.7K |
| 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 quasar if
- You want the quasar feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and quasar 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 quasar
Quasar Framework Build high performance Vue.js user interfaces in record time: responsive Single Page Apps, SSR Apps, SSG Apps, PWAs, browser extensions, hybrid mobile apps and Electron apps. If you want, all using the same codebase! Please submit a PR to with your website/app/Quasar tutorial/video etc. Thank you! Supporting Quasar Quasar Framework is an MIT licensed open source project. Its ongoing development is made possible thanks to the support by our awesome sponsors and backers. Please consider supporting our efforts, too! If you use Quasar at work, drop a message to your management about sponsoring us at…
read the full quasar overview →
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Frequently asked questions
Is Zen Browser or quasar more popular?
Zen Browser has 45,517 GitHub stars and quasar has 27,210. Zen Browser has the larger community by that measure.
Are Zen Browser and quasar free?
Both are open source. Zen Browser is licensed under MPL-2.0 and quasar under MIT. Neither carries a licence fee.
What is the difference between Zen Browser and quasar?
Zen Browser is written in C++ and quasar in JavaScript. 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 quasar?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose quasar if its feature set, stack or MIT licence fits better. Both are self-hostable.