otpauth
One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers
better-auth
The most comprehensive authentication library for TypeScript.
cypress-otp
Encode a Cypress fixture with Protocol Buffers
authenticator
Two- / Multi- Factor Authenication (2FA / MFA) for node.js
authenticator-cli
A commandline Authenticator App (for Authy, Google Authenticator, Microsoft Authenticator, TOTP / 2FA / MFA / OTP, etc)