head to head · open source
Zen Browser vs artillery
Zen Browser has 45,517 GitHub stars, 1,946 forks, 689 open issues and last shipped yesterday. artillery has 9,111 stars, 575 forks, 487 open issues and last shipped 14 days ago. Zen Browser leads on adoption by 400% (45,517 vs 9,111 stars). Zen Browser is written in C++ under MPL-2.0; artillery is written in TypeScript under MPL-2.0. Zen Browser has attracted 4% as many forks as stars, artillery 6%. 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 | artillery | |
|---|---|---|
| GitHub stars | ★ 46K | ★ 9.1K |
| License | MPL-2.0 | MPL-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-11-02 | 2026-10-20 |
| Forks | ⑂ 1.9K | ⑂ 575 |
| 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 artillery if
- You want the artillery feature set and don't need the biggest community
- You prefer the MPL-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and artillery 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 artillery
Artillery Docs Discussions @artilleryio Features Test at cloud scale. Cloud native distributed load testing at scale, out of the box and for free . Scale out your load tests on top of AWS Lambda or AWS Fargate. No DevOps needed, zero infrastructure to set up or manage. Test with Playwright . Load test with real headless browsers. Batteries included. 20+ integrations for monitoring, observability, and CICD. Test anything . HTTP, WebSocket, Socket.io, gRPC, Kinesis, and more. Powerful workload modeling . Emulate complex user behavior with request chains, multiple steps, transactions, and more. Extensible &…
read the full artillery overview →
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Frequently asked questions
Is Zen Browser or artillery more popular?
Zen Browser has 45,517 GitHub stars and artillery has 9,111. Zen Browser has the larger community by that measure.
Are Zen Browser and artillery free?
Both are open source. Zen Browser is licensed under MPL-2.0 and artillery under MPL-2.0. Neither carries a licence fee.
What is the difference between Zen Browser and artillery?
Zen Browser is written in C++ and artillery 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 artillery?
Choose Zen Browser if you want the larger community (45,517 stars) or its MPL-2.0 licence terms. Choose artillery if its feature set, stack or MPL-2.0 licence fits better. Both are self-hostable.