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Open-source alternatives to Fingerprint Identification

Fingerprint Identification does 3 jobs: returning visitor identification, fraud and account-abuse prevention, bot. Most projects replace one or two of them, so pick the job you actually need.

Quick answer

Facts checked 20 Oct 2026

We track one open-source alternative to Fingerprint Identification, but it doesn't have confirmed commercial use, local running and no paid services together. The one project we track doesn't cover all 3 Fingerprint Identification jobs, so you may need another tool alongside it.

1 project

FingerprintJS

fingerprintjs/fingerprintjs Healthy growth

★ 29k active today

MIT browser fingerprinting library that hashes 40+ browser signals into a visitor ID, entirely in the visitor's browser with no server.

Replaces Returning visitor identification + Fraud and account-abuse prevention (partly) Not: bot

Use it instead of paying for Fingerprint Identification?

Personal use: Confirmed: Yes
For a business: Confirmed: Yes

Runs locally: Confirmed: Yes
Commercial use: Confirmed: Yes · MIT
Paid services: Partial: Optional only
Hardware: Confirmed: CPU works
Setup: Confirmed: Easy

Compare 8 of 8 facts sourced · checked 1d ago GitHub ↗ View details

Common questions about Fingerprint Identification alternatives

Is there a free, open-source alternative to Fingerprint Identification?

Yes. FingerprintJS is free to download and run on your own computer without paid API keys. It covers only part of what Fingerprint Identification does, so check which job you need.

Can I do returning visitor identification locally without a Fingerprint Identification subscription?

Yes, with FingerprintJS (MIT). Check the hardware notes and licence conditions on each page before you start.

Can I do fraud and account-abuse prevention locally without a Fingerprint Identification subscription?

Yes, with FingerprintJS (MIT). Check the hardware notes and licence conditions on each page before you start.

Which Fingerprint Identification alternatives can I use commercially?

Confirmed: FingerprintJS. This is not legal advice; read each licence.

Does any open-source project replace all of Fingerprint Identification?

Not as of 2026-10-20. No project we track covers every job we list for Fingerprint Identification.