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two-factor

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authelia / authelia

The Single Sign-On Multi-Factor portal for web apps, now OpenID CertifiedTM

docker kubernetes golang security ldap oauth2 authentication push-notifications yubikey two-factor totp sso openid-connect mfa two-factor-authentication sso-authentication 2fa multifactor webauthn passkeys

Updated Oct 17, 2025
Go

Bubka / 2FAuth

A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes

otp qrcode two-factor self-hosted webapp totp hotp two-factor-authentication 2fa 2factor

Updated Aug 29, 2025
PHP

2factorauth / twofactorauth

List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.

ruby security authentication two-factor twofactorauth

Updated Oct 15, 2025
JavaScript

speakeasyjs / speakeasy

**NOT MAINTAINED** Two-factor authentication for Node.js. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator.

nodejs javascript node two-factor totp hotp node-js multi-factor mfa two-factor-authentication

Updated Sep 11, 2023
JavaScript

yeojz / otplib

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

nodejs otp browser two-factor hotp authenticator hmac google-authenticator two-factor-authentication 2fa one-time-passwords

Updated Jan 7, 2023
TypeScript

privacyidea / privacyidea

🔐 multi factor authentication system (2FA, MFA, OTP, FIDO Server)

python opensource otp authentication certificates identityserver two-factor idm fido push mfa two-factor-authentication ca 2fa otp-server webauthn fido2 passkey security-key passkeys

Updated Oct 17, 2025
Python

scito / extract_otp_secrets

Extract one time password (OTP) secrets from QR codes exported by two-factor authentication (2FA) apps such as "Google Authenticator". The exported QR codes from authentication apps can be captured by camera, read from images, or read from text files. The secrets can be exported to JSON or CSV, or printed as QR codes to console.

python security json otp csv protobuf qrcode two-factor totp google-authenticator recovery proto3 mfa two-factor-authentication tfa qr-codes otpauth 2fa security-tools standwithukraine

Updated Oct 17, 2025
Python

hectorm / otpauth

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

nodejs javascript security node otp browser two-factor auth totp hotp authenticator google-authenticator node-js two-factor-authentication two-step-authentication otpauth two-step bun deno

Updated Oct 13, 2025
JavaScript

RobThree / TwoFactorAuth

PHP library for Two Factor Authentication (TFA / 2FA)

php security qrcode two-factor twofactorauth totp multi-factor

Updated Apr 10, 2025
PHP

YosaiProject / yosai

A Security Framework for Python applications featuring Authorization (rbac permissions and roles), Authentication (2fa totp), Session Management and an extensive Audit Trail

python security authentication two-factor authorization twofactorauth totp sessionmanagement rbac

Updated Jul 23, 2018
Python

robbiev / two-factor-auth

Generate 2FA tokens compatible with Google Authenticator

go golang two-factor twofactorauth two-factor-authentication 2fa

Updated May 23, 2020
Go

ladjs / react-native-phone-verification

The best React Native example for phone verification (an alternative to Twitter Digits).

react android verify ios react-native twilio sms countries two-factor message global digits number plivo two-factor-authentication phone-verification country-picker

Updated Jul 25, 2025
JavaScript

TwoFactorAuth.Net

RobThree / TwoFactorAuth.Net

.Net library for Two Factor Authentication (TFA / 2FA)

security csharp dotnet qrcode two-factor twofactorauth totp multi-factor

Updated Sep 22, 2022
C#

Laragear / TwoFactor

Two-Factor Authentication for all your users out-of-the-box.

php laravel authentication two-factor two-factor-authentication 2fa 2factor

Updated Sep 5, 2025
PHP

nextcloud / twofactor_totp

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

security otp two-factor totp two-factor-authentication 2fa rfc-6238

Updated Oct 17, 2025
JavaScript

arcanericky / totp

Time-Based One-Time Password Code Generator

authentication password two-factor passcode totp authenticator two-factor-authentication 2fa totp-tokens totp-tfa

Updated Sep 8, 2023
Go

PlanetHoster / time2fa

A comprehensive Node.js package that simplifies the implementation of One-Time Password (OTP).

nodejs javascript otp authentication qrcode password two-factor totp hotp hmac google-authenticator two-factor-authentication authy multi-factor-authentication 2fa

Updated Oct 17, 2025
TypeScript

nextcloud / twofactor_gateway

🔑 Second factor provider using an external messaging gateway (Signal, SMS, Telegram, WhatsApp and XMPP)

php security telegram xmpp sms two-factor whatsapp signal whatsapp-web hacktoberfest 2fa

Updated Oct 17, 2025
PHP

nextcloud / twofactor_u2f

🔑 U2F second factor provider for Nextcloud

security nextcloud u2f two-factor

Updated Nov 10, 2023
JavaScript

vonage-java-sdk

Vonage / vonage-java-sdk

Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-to-Speech, Numbers, Verify (2FA), Video and more.

java verify authentication dtmf phone messaging sms voice verification two-factor telecom whatsapp sms-api two-factor-authentication video-api server-sdk messaging-api phone-numbers vonage

Updated Oct 1, 2025
Java

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