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Open-Source (1 options, 2026)

Self-hosted, code-on-GitHub options. Run on your own server, customize freely, never pay per-site fees.

Fingerprint (FingerprintJS)

freemium from $0/mo

Библиотека для фингерпринтинга браузера + платный Pro API — бесплатное ядро с открытым исходным кодом, платные тарифы от $99/mo.

fingerprintbot-mitigationaccount-takeoverfree-tieropen-source

Tips for open-source tools

• Don't run on the same server you're trying to monitor.
• Consider time-cost: free in dollars, not free in maintenance hours.
• Open-source = no vendor lock-in, but you handle backups and updates.