📱 Two-Factor Authentication (2FA) client for Android + Wear OS
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Updated
Nov 12, 2025 - C#
📱 Two-Factor Authentication (2FA) client for Android + Wear OS
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Add OTP support (two factor authentication) to KeePass
End-to-End Test program sample with Selenium for OTP Two Factor Auth Web site.
A Keepass plugin that generate one-time passwords for Yandex 2FA
A simple One Time Password (OTP) library in C#
ESMS - Multi Sms Provider for .Net Standard & .Net Framework
A simple .NET Standard library to Generator Random Strings, Great for generating OTP and Passwords.
The general purpose library for developing apps on .NET
A portable .Net class library for creating onetime passwords (based on rfc4226 - https://tools.ietf.org/html/rfc4226 and rfc6238 - https://tools.ietf.org/html/rfc6238)
Shows how to setup a OTP enabled Entry for iOS with Xamarin.Forms
Cross-platform console C#/.Net implementation to generate one time passwords (TOTP/HOTP) for open authentication defined by standard RFC's (4226, 6238). Compatible with Google/Microsoft Authenticator apps.
Time-based One-time Password generator manager.
A free and open source .NET NuGet package to facilitate sending OTP messages through WhatsApp Business APIs. This package provides a simple and efficient way to deliver OTP messages, ensuring they reach your users swiftly and securely.
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