Sites are made with text editors, games and apps are made with software but software are made with?

Question

Thank you for answers! :)

Answer 1

all of them are made with code.
we can use a text editor to code:
- a site;
- a game;
- a text editor;
- any software.

Answer 2

software is made with compiler design.

Answer 3

Software is made with software, which is made with software...
and ultimately low-level software interacts with hardware, IMHO.