otplib

HMAC-based (HOTP) and Time-based (TOTP) One-Time Password library

v12.0.1 URL: https://unpkg.com/otplib@12.0.1/index.js

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totp hotp otp authenticator one time password google authenticator authentication 2FA 2 factor node browser

speakeasy

Two-factor authentication for Node.js. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator.

v2.0.0 URL: https://unpkg.com/speakeasy@2.0.0/index.js

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authentication google authenticator hmac hotp multi-factor one-time password passwords totp two factor two-factor two-factor authentication

otpauth

One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers

v9.4.1 URL: https://unpkg.com/otpauth@9.4.1/dist/otpauth.esm.js

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otp hotp totp one time password 2fa 2 factor two factor two-factor 2step 2 step two step two-step auth authenticator google authenticator

otp

OTP utility for Google Authenticator

v1.1.2 URL: https://unpkg.com/otp@1.1.2/otp.js

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one-time-password google authenticator hotp totp otp

@oslojs/otp

One-time passwords with HOTP and TOTP

v1.1.0 URL: https://unpkg.com/@oslojs/otp@1.1.0/dist/index.js

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auth otp hotp totp