ticket booking system - Robuta Search

https://abittoferry.com/

https://vticket.co.uk/

vTicket is a purpose built ticketing and booking system for heritage railways. Use it to power your whole web site, or bolt onto your existing site.

https://www.educative.io/courses/grokking-the-low-level-design-interview-using-ood-principles/code-for-the-movie-ticket-booking-system

Learn to implement a movie ticket booking system using OOP, UML diagrams, and multi-language code templates for Java, C++, Python, and more.