- Design a Hotel Management System
- Design an Airline Management System
- Design an Amazon - Online Shopping System
- Design an ATM
- Design BlackJack and a Deck of Cards
- Design a Car Rental System
- Design Chess
- Design CricInfo
- Design Facebook - A Social Network
- Design a Library Management Service
- Design LinkedIn
- Design Movie Ticket Booking System
- Design Online Stock Brokerage System
- Design a Parking Lot
- Design a Restaurant Management System
- Design Stack Overflow