Authenticator-Extension / Authenticator

Authenticator generates 2-Step Verification codes in your browser.

yeojz / otplib

One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator

ValueMelody / melody-auth

A turnkey OAuth & authentication system, designed for both Cloudflare Workers and Node.js

Levminer / authme

Simple cross-platform two-factor (2FA) authenticator app for desktop.