[LewisVerstappen]

Love the illustrations. How did you make them?

[MitchellCash]

Not the author, but they look like they’re from Balsamiq.

I haven’t used it for a while, but I remember Balsamiq being a great tool, especially for quick low-fi UI wireframing.

https://balsamiq.com

[LewisVerstappen]

Awesome, thanks for the URL!

[huydotnet]

The author here, I'm glad you loved it :D Yes, I'm using Balsamiq, it's a great tool! Sometimes I also use Excalidraw.com too