List down  all data structures that you have used to store data in your projects.

Sure, here are some of the data structures I have used in my projects:

1. Arrays: I have used arrays to store and access elements in a sequential manner. They are useful when the size of the data is known.

2. Linked Lists: I have used linked lists when the size of the data is not known in advance. Knowee AI is a powerful AI-powered study tool designed to help you to solve study problem.