345 Open source projects that are alternatives of or similar to Twofactorauth

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

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

Your easy 2FA companion that keep the secrets secret.

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

One Time Password (TOTP and HOTP) library for Clojure. TOTP/HOTP is widely used for Two Factor / Multi Factor Authentication.

🔑 Second factor TOTP (RFC 6238) provider for Nextcloud

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

Apache two-factor (2FA) authentication with Google Authenticator based on Time-based One-Time Password (TOTP) or HMAC-based one-time password (HOTP) Algorithms.

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

Google Authenticator

Time-Based One-Time Password Code Generator

The Single Sign-On Multi-Factor portal for web apps

😍FeHelper--Web前端助手（Awesome！Chrome & Firefox & MS-Edge Extension, All in one Toolbox!）

五合一收款码在线生成,40个模板 支持微信支付、支付宝支付、手机QQ支付、京东钱包、百度钱包,PayPal五合一收款，将其二维码合并为一个二维码，无需手续费,支持qq头像,昵称判断(HTML单页版多模板免安装) 腾讯云服务器 https://api.isoyu.com/qrpay/ 腾讯云COS https://qrpay.isoyu.com/

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

QR Code Generator

花式二维码生成，提供了6种样式

Tiny data-over-sound library

A barcode and qr code scanner( 二维码/条形码扫描、生成，仿微信、支付宝)

Angular4/5/6/7/8/9/10/11 QRCode generator component library for QR Codes (Quick Response) with AOT support based on node-qrcode

QR.Flutter is a Flutter library for simple and fast QR code rendering via a Widget or custom painter.

Custom rounded QR code with lots of customization.

Papercraft videogame cartridges you can print and pirate with a copy machine.

A QR Code generator for PHP7.4+

Generating 2FA codes in your terminal

An optimized qr code scan tool forked from zxing.

Short term certificate based identity system (ssh/x509 ca + openidc)

QR code generation library in C, optimized for low-power devices, such as Arduino.

A fast, energy efficient, highly-configurable QR code scanner for Cordova apps and the browser.

Wechat miniapp generate qrcode image

基于Tesseract-OCR实现自动扫描识别手机号

Tray TOTP Plugin for KeePass2.

Yubico Authenticator for Desktop (Windows, macOS and Linux)

Invisible Hyperlinks in Physical Photographs

A QR Code generator for React Native based on react-native-svg and node-qrcode.

Single Sign On server, OAuth2, Openid Connect, multiple factor authentication with, HOTP/TOTP, FIDO2, TLS Certificates, etc. extensible via plugins

📸 The Camera library that sees the vision.

Open source two-factor authentication for Android

media(audio/image/qrcode/markdown/html/svg) support web service (多媒体编辑服务, 酷炫二维码, 音频, 图片, svg, markdown, html渲染服务支持)

A one-time password (HOTP/TOTP) library for Java

A cross platform HTML5 QR code reader

React component for reading QR codes from webcam.

Web Component for generating QR codes

Generate TOTP(Time-based One-time Password) token with CLI.

Yet another QR art library for Java

A Ruby QRCode encoding library

A Python Package for Data Exfiltration

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

Python One-Time Password Library

Extract two-factor authentication (2FA, TFA) secret keys from export QR codes of "Google Authenticator" app

A better way to operate QR Code in Swift, support iOS, macOS, watchOS and tvOS.

Crystal bindings for libqrencode (qrencode), a library for QR code generation

An unofficial package maintained by Salla to help developers to implement ZATCA (Fatoora) QR code easily which required for e-invoicing

Minimal TOTP generator in 20 lines of Python

Some useful tools written in python.

Qt/QML wrapper library for the ZXing library. 1D/2D barcode image processing library

Scan your vaccination, test and recovery certificates in QR code representation and save them to your Apple Wallet

Migrated to https://github.com/kivy-garden/zbarcam

🔮艺术二维码生成工具（Art QRcode productivity tool ）

Two-factor authenticator via Google Authenticator app.