head to head · open source
fingerprintjs vs mocha
fingerprintjs has 28,466 GitHub stars, 2,621 forks, 19 open issues and last shipped yesterday. mocha has 22,894 stars, 3,151 forks, 222 open issues and last shipped yesterday. fingerprintjs leads on adoption by 24% (28,466 vs 22,894 stars). fingerprintjs is written in TypeScript under MIT; mocha is written in JavaScript under MIT. fingerprintjs has attracted 9% as many forks as stars, mocha 14%. fingerprintjs was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (browser, javascript), 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
| fingerprintjs | mocha | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 23K |
| License | MIT | MIT |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 2.6K | ⑂ 3.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fingerprintjs if
- You weight community size — 28K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- 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 fingerprintjs
FingerprintJS is an open source, client side browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier from them, aimed at web developers and engineering teams that need to recognise returning browsers without depending on cookies or local storage.
read the full fingerprintjs 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 fingerprintjs or mocha more popular?
fingerprintjs has 28,466 GitHub stars and mocha has 22,894. fingerprintjs has the larger community by that measure.
Are fingerprintjs and mocha free?
Both are open source. fingerprintjs is licensed under MIT and mocha under MIT. Neither carries a licence fee.
What is the difference between fingerprintjs and mocha?
fingerprintjs is written in TypeScript 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, fingerprintjs or mocha?
Choose fingerprintjs if you want the larger community (28,466 stars) or its MIT licence terms. Choose mocha if its feature set, stack or MIT licence fits better. Both are self-hostable.