GitHub Is a Giant Warehouse
Think of GitHub as a giant public warehouse where programmers and hobbyists around the world share what they make: software, tools, ebooks, study materials — you name it.
Unlike a cloud drive, most things on GitHub are free and open source. Anyone can view and download them, and every project comes with a description of what it is and how to use it.
Why the Good Stuff Lives There
Because GitHub is free and public: when one person makes something good, the whole world can use it — and help improve it. Many small church tools and free programs were first discovered on GitHub.
So learning to use GitHub is like getting a key that unlocks a huge pile of free, useful things.
Do I Need an Account?
Just to look around and download things, no — open the web address and go. You only need a free account if you want to suggest changes to a project or share your own work there.