Stuff used in this video:
Gas struts https://amzn.to/3Jm2zGj
Gate hinged https://amzn.to/3Jpaxyg (might be cheaper at hardware store)
Glu-Bot https://amzn.to/3mvGxse
Park Tool Hex Set (PH-1.2) https://amzn.to/3dqqkzK
Craftsman Torx Set https://amzn.to/3ujxn6h
(I earn a small commission from the Amazon links above; this does not change the price for you)