If you create your own maps digitally, what do you use as map-making software?
Personally, I am fond of Inkscape, as it gives me maximum flexibility and the vector-based approach is great for scaling and rotating things.
I really like Inkarnate. Very reasonable yearly subscription and a great tool. Obvious caveat that if you want something completely custom built, rather than using their textures and artwork, something else will probably work better. For my needs it works though.