This is a Flask web application that provides user authentication with Twilio SMS integration for OTP verification. Users can register, login, and reset their passwords using Twilio's SMS service for authentication.

• Framework: Flask (micro web framework for Python)
• Database: SQLite (assumed; consider PostgreSQL or MySQL for production)
• ORM: SQLAlchemy (for object-relational mapping)
• Frontend: HTML, CSS, JavaScript
• User Authentication: Flask-Login
• SMS Authentication (OTP) Integration: Twilio
• Deployment: PythonAnywhere

• User registration with email, phone number, and password.
• User login with email, password, and OTP verification via SMS.
• Forgot password functionality with OTP verification via SMS for password reset.
• Secure password hashing using passlib's sha256_crypt.
• Session management with Flask's session module.
• Responsive design for mobile and desktop browsers.

1. Clone the repository:

   git clone https://github.com/yourusername/your-repo.git

pip install -r requirements.txt

Set up your Twilio account and obtain API credentials.

Update the config.py file with your Twilio API credentials.

Run the application:

python app.py

Access the application in your web browser at http://localhost:5000.