1. Online Marketplace: Build a complete e-commerce platform with user authentication, product listings, shopping carts, payment processing, and order tracking.
2. Social Networking Site: Develop a social media platform that includes user profiles, friend connections, posts, comments, and a real-time news feed.
3. Task Management Application: Create a task tracking app with user registration, to-do lists, task priorities, deadlines, and collaboration features.
4. Travel Planning Platform: Design a website that assists users in planning trips, including itinerary creation, booking reservations, and sharing recommendations.
5. Health and Fitness Tracker: Build an application to monitor users' health and fitness, allowing them to log exercises, track progress, and set goals.
6. Online Learning System: Develop an e-learning platform with user authentication, course enrollment, video lessons, quizzes, and progress tracking.
7. Job Board and Application Platform: Design a platform where users can search for job listings, submit applications, and employers can post openings.
8. Personal Finance Manager: Create an application that helps users manage their finances, including expense tracking, budgeting, savings goals, and financial insights.