The Single Sign-On Multi-Factor portal for web apps
List of sites with two factor auth support which includes SMS, email, ph...
**NOT MAINTAINED** Two-factor authentication for Node.js. One-time passc...
:key: One Time Password (OTP) / 2FA for Node.js and Browser - Supports H...
:closed_lock_with_key: multi factor authentication system (2FA, MFA, OTP...
PHP library for Two Factor Authentication (TFA / 2FA)
Extract one time password (OTP) secrets from QR codes exported by two-fa...
A Security Framework for Python applications featuring Authorization (rb...
Generate 2FA tokens compatible with Google Authenticator
The best React Native example for phone verification (an alternative to ...
.Net library for Two Factor Authentication (TFA / 2FA)
🔑 Second factor TOTP (RFC 6238) provider for Nextcloud
Time-Based One-Time Password Code Generator
🔑 Second factor provider using an external messaging gateway (SMS, Tele...
Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-t...