head to head · open source
Zen Browser vs artillery
Zen Browser has 44,486 GitHub stars, 1,755 forks, 689 open issues and last shipped yesterday. artillery has 9,080 stars, 565 forks, 487 open issues and last shipped yesterday. Zen Browser leads on adoption by 390% (44,486 vs 9,080 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 | ★ 44K | ★ 9.1K |
| License | MPL-2.0 | MPL-2.0 |
| Written in | C++ | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 565 |
| 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 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 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 artillery
Artillery is an open source, TypeScript load testing platform that runs production grade load and browser tests from a laptop or from serverless infrastructure, and it is built for developers, QA engineers, and platform teams who need to exercise HTTP APIs, GraphQL, WebSocket, Socket.io, gRPC, and Kinesis services at cloud scale.
read the full artillery overview →
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Frequently asked questions
Is Zen Browser or artillery more popular?
Zen Browser has 44,486 GitHub stars and artillery has 9,080. 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 (44,486 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.