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beemdevelopment/Aegis

A free, secure and open source Android app to manage 2-step verification tokens.

12.1K
Active
Java
#2fa#authenticator#encryption

stratumauth/app

Two-Factor Authentication (2FA) client for Android and Wear OS that supports HOTP, MOTP, and TOTP protocols.

4.3K
Active
C#
Authentication
Android
Xamarin
#2fa#authenticator#hotp

Bubka/2FAuth

A self-hosted web app to manage your Two-Factor Authentication (2FA) accounts and generate their security codes.

3.8K
Active
PHP
Authentication
PHP
#2fa#two-factor-authentication#otp

andOTP/andOTP

An open-source two-factor authentication app for Android with support for HOTP, TOTP, and OpenPGP.

3.7K
Archived
Java
Privacy Tools
Android
#authentication#two-factor-authentication#hotp

speakeasyjs/speakeasy

An unmaintained Node.js library for two-factor authentication (HOTP/TOTP) with support for Google Authenticator.

2.8K
Archived
JavaScript
Authentication
Node.js
#authentication#hotp#totp

yeojz/otplib

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

2.2K
Active
TypeScript
Authentication
Backend Frameworks
Node
#2fa#authenticator#one-time-passwords

Spomky-Labs/otphp

A PHP library for generating one-time passwords according to HOTP and TOTP standards.

1.4K
Active
PHP
Authentication
#authentication#otp#totp

hectorm/otpauth

A one-time password (HOTP/TOTP) library for Node.js, Deno, Bun, and browsers, enabling secure two-factor authentication.

1.4K
Active
JavaScript
Authentication
CLI Tools
Node
#authentication#security#two-factor

susam/mintotp

Minimal TOTP generator in 20 lines of Python for developers who need a simple 2FA solution.

1.4K
Archived
Python
#2fa#cryptography#hotp

kspearrin/Otp.NET

A .NET implementation of TOTP and HOTP for two-factor authentication codes.

1.3K
Stable
C#
React
#authentication#two-factor-authentication#OTP

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