head to head · open source
Zen Browser vs quasar
Zen Browser has 44,481 GitHub stars, 1,754 forks, 689 open issues and last shipped yesterday. quasar has 27,210 stars, 3,674 forks, 74 open issues and last shipped yesterday. Zen Browser leads on adoption by 63% (44,481 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 14%. 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 | ★ 44K | ★ 27K |
| License | MPL-2.0 | MIT |
| Written in | C++ | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 3.7K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Zen Browser if
- You weight community size — 44K 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 is a privacy focused, open source web browser built on Firefox’s Gecko engine. It inherits Firefox’s compatibility and extension ecosystem while introducing a streamlined interface and productivity oriented features. The project lives in the desktop browser ecosystem, targeting users who want a Firefox based experience with reduced clutter and enhanced customization.
read the full Zen Browser overview →
About quasar
Quasar Framework is an MIT licensed Vue.js framework that builds responsive single page apps, server side rendered and statically generated sites, progressive web apps, browser extensions, hybrid mobile apps, and Electron desktop apps from a single codebase.
read the full quasar overview →
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Frequently asked questions
Is Zen Browser or quasar more popular?
Zen Browser has 44,481 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 (44,481 stars) or its MPL-2.0 licence terms. Choose quasar if its feature set, stack or MIT licence fits better. Both are self-hostable.