https://jdittrich.github.io/quickMockup/ https://jdittrich.github.io/quickMockup/ this is another GEM from the past, super easy and you can load/save as HTML fi

https://jdittrich.github.io/quickMockup/ https://jdittrich.github.io/quickMockup/ this is another GEM from the past, super easy and you can load/save as HTML file. i like the simple design for mockup