Passwordless authentication server, supports OTP, WebAuthn and TOTP

Spring boot OTP based login with Twilio and JWT token

OTP-Pi is a server for sending SMS via HTTP, WebSocket and Message Broker protocols. Users can install OTP-Pi on the server with a static IP address that can be accessed by clients who will send SMS. In addition, users can also install OTP-Pi on servers with dynamic IP addresses. This server then accesses a websocket server, a Redis server, an M…

Firebase Phone SMS Authentication OTP Verification Example

Chatter Box is an android app that is capable of Voice, Text, Image Text Translation, and end-to-end chat translation.

Proof Of Concept showing OTP generation and validation technique using Java Spring-boot and LoadingCache Bean from google guava library to handle user's forgot-password flow

Final Year Diploma Project : Salesman Tracking App

Build restful webservices and generate Otp using twilio service.

An application for end-users who can hire household workers by using an android messaging service.

Android OTP (Mobile) Verification Using Firebase

TOTP-based Two-Factor Authentication implementation with Spring Security and Angular

Kisaan-Unayan is an android application to help farmers for selling their commodities online and small shop vendors to buy these commodities according to the service provided.

A simple API to generate QR codes and validate the user input

Android OTP Activity xml layout UI and Java code

Phone Authentication using firebase

A firebase social network made for the departments of every college with focus towards the educational aspect rather then the social aspect.

🔐 Tiny & lightweight RFC 4226 & RFC 6238 compliant one-time password (HOTP/TOTP) generation & validation library for Java

Stockify is a Stock Monitoring Spring Boot-based web application that allows users to manage their stock portfolios, upload stocks, receive folio summaries via email. It features JWT-based authentication with OTP verification during registration. Built with clean, scalable architecture and ready for real-world use!