head to head · open source
Ladybird vs mocha
Ladybird has 66,237 GitHub stars, 3,163 forks, 535 open issues and last shipped yesterday. mocha has 22,894 stars, 3,151 forks, 222 open issues and last shipped yesterday. Ladybird leads on adoption by 189% (66,237 vs 22,894 stars). Ladybird is written in C++ under BSD-2-Clause; mocha is written in JavaScript under MIT. Ladybird has attracted 5% as many forks as stars, mocha 14%. Ladybird was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (browser), so they are genuine substitutes rather than adjacent tools.
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
| Ladybird | mocha | |
|---|---|---|
| GitHub stars | ★ 66K | ★ 23K |
| License | BSD-2-Clause | MIT |
| Written in | C++ | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 3.2K | ⑂ 3.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Ladybird if
- You weight community size — 66K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches C++
- You value the larger contributor base for long-term maintenance
pick mocha if
- You want the mocha feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches JavaScript
- You evaluated both and mocha fits your workflow better
About Ladybird
Ladybird is a truly independent web browser and browser engine, written from scratch in C++ rather than as a fork of any existing engine, and it is built for developers who want to work on a browser engine based on web standards while it remains in a pre alpha state.
read the full Ladybird overview →
About mocha
Mocha is a classic, reliable and trusted test framework for Node.js and the browser, distributed as an open source JavaScript module under the MIT licence and aimed at JavaScript developers and package maintainers who need to write and run automated tests inside a Node.js process or in a browser environment.
read the full mocha overview →
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Frequently asked questions
Is Ladybird or mocha more popular?
Ladybird has 66,237 GitHub stars and mocha has 22,894. Ladybird has the larger community by that measure.
Are Ladybird and mocha free?
Both are open source. Ladybird is licensed under BSD-2-Clause and mocha under MIT. Neither carries a licence fee.
What is the difference between Ladybird and mocha?
Ladybird is written in C++ and mocha 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, Ladybird or mocha?
Choose Ladybird if you want the larger community (66,237 stars) or its BSD-2-Clause licence terms. Choose mocha if its feature set, stack or MIT licence fits better. Both are self-hostable.