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

[Unmaintained] Open source two-factor authentication for Android

An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang. Zero dependencies.

Authenticator generates 2-Step Verification codes in your browser.

📱 Two-Factor Authentication (2FA) client for Android + Wear OS

One time passcode Input. Accessible & unstyled.

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

FreeRADIUS - A multi-protocol policy server.

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

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

List of Elixir books

🔐 A PHP library for generating one time passwords according to RFC 4226 (HOTP) and the RFC 6238 (TOTP)

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.

⚗ The stable base upon which we build our Elixir projects at Mirego.

A logging framework for Erlang/OTP

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

Mirror of FreeIPA, an integrated security information management solution

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

A native, lightweight and secure one-time-password (OTP) client built for iOS; Raivo OTP!