two-factor
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The Single Sign-On Multi-Factor portal for web apps
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Apr 29, 2025 - Go
List of sites with two factor auth support which includes SMS, email, phone calls, hardware, and software.
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Apr 27, 2025 - JavaScript
**NOT MAINTAINED** Two-factor authentication for Node.js. One-time passcode generator (HOTP/TOTP) with support for Google Authenticator.
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Sep 11, 2023 - JavaScript
A Web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes
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Apr 11, 2025 - PHP
🔑 One Time Password (OTP) / 2FA for Node.js and Browser - Supports HOTP, TOTP and Google Authenticator
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Jan 7, 2023 - TypeScript
🔐 multi factor authentication system (2FA, MFA, OTP Server)
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Apr 29, 2025 - Python
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.
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Apr 28, 2025 - Python
One Time Password (HOTP/TOTP) library for Node.js, Deno, Bun and browsers.
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Apr 21, 2025 - JavaScript
PHP library for Two Factor Authentication (TFA / 2FA)
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Apr 10, 2025 - PHP
A Security Framework for Python applications featuring Authorization (rbac permissions and roles), Authentication (2fa totp), Session Management and an extensive Audit Trail
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Jul 23, 2018 - Python
Generate 2FA tokens compatible with Google Authenticator
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May 23, 2020 - Go
The best React Native example for phone verification (an alternative to Twitter Digits).
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Nov 14, 2024 - JavaScript
.Net library for Two Factor Authentication (TFA / 2FA)
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Sep 22, 2022 - C#
🔑 Second factor TOTP (RFC 6238) provider for Nextcloud
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Apr 28, 2025 - JavaScript
Two-Factor Authentication for all your users out-of-the-box.
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Mar 13, 2025 - PHP
Time-Based One-Time Password Code Generator
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Sep 8, 2023 - Go
A comprehensive Node.js package that simplifies the implementation of One-Time Password (OTP).
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Apr 25, 2025 - TypeScript
🔑 U2F second factor provider for Nextcloud
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Nov 10, 2023 - JavaScript
🔑 Second factor provider using an external messaging gateway (SMS, Telegram, Signal)
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Apr 17, 2025 - PHP
Vonage Server SDK for Java. API support for SMS, Messages, Voice, Text-to-Speech, Numbers, Verify (2FA), Video and more.
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Apr 24, 2025 - Java
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