The all-in-one language learning platform. Learn, practice, and master new languages with interactive lessons, quizzes, and progress tracking.

• Modern React frontend & Express backend
• User authentication & profiles
• Interactive lessons, quizzes, and XP system
• Progress tracking, streaks, and leaderboards
• Role-based access: Student, Instructor, Admin
• Secure REST API (JWT, CORS, Helmet)

npm install
npm start

cd backend
npm install
npm run dev

Configure your backend .env (see backend/README.md for details).

CodeLingo/
├── backend/      # Node.js/Express API
├── build/        # Production frontend build
├── public/       # Static assets
└── src/          # React frontend source

1. Fork the repo
2. Create a feature branch
3. Make your changes
4. Add tests if needed
5. Submit a pull request

MIT