head to head · open source
fingerprintjs vs Screenity
fingerprintjs has 28,466 GitHub stars, 2,621 forks, 19 open issues and last shipped yesterday. Screenity has 18,703 stars, 1,521 forks, 8 open issues and last shipped 2 days ago. fingerprintjs leads on adoption by 52% (28,466 vs 18,703 stars). fingerprintjs is written in TypeScript under MIT; Screenity is written in JavaScript under GPL-3.0. fingerprintjs has attracted 9% as many forks as stars, Screenity 8%. fingerprintjs was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (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 | Screenity | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 19K |
| License | MIT | GPL-3.0 |
| Written in | TypeScript | JavaScript |
| Last push | 2026-09-17 | 2026-09-16 |
| Forks | ⑂ 2.6K | ⑂ 1.5K |
| 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 Screenity if
- You want the Screenity feature set and don't need the biggest community
- You prefer the GPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and Screenity 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 Screenity
Screenity is a JavaScript Chrome extension under the GPL 3.0 license that records the screen and supports annotation in the browser. It lives in the Chrome extension ecosystem and is distributed through the Chrome Web Store, while its source code is available on GitHub.
read the full Screenity overview →
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Frequently asked questions
Is fingerprintjs or Screenity more popular?
fingerprintjs has 28,466 GitHub stars and Screenity has 18,703. fingerprintjs has the larger community by that measure.
Are fingerprintjs and Screenity free?
Both are open source. fingerprintjs is licensed under MIT and Screenity under GPL-3.0. Neither carries a licence fee.
What is the difference between fingerprintjs and Screenity?
fingerprintjs is written in TypeScript and Screenity 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 Screenity?
Choose fingerprintjs if you want the larger community (28,466 stars) or its MIT licence terms. Choose Screenity if its feature set, stack or GPL-3.0 licence fits better. Both are self-hostable.