Is thebflighttracker like an OS designed for adding accounts to or just a orogram?

sorry for the stupid question, it sounds cool and I have no experience.

Hey, does this have a gui? I am new to linux and cant quite handle doing work like thisnwithout a gui.

Disclaimer, I am idiot with no time.

I know Joplin exists but I havent got around to setting it up.

Would you look a developing a shared notes app, Wanderlist used to be great before microsoft for Shopping lists.

In what way is it getting worse? I was hoping to move and use some patched apps and foss apps, is that being restricted?