Hotglue was the first thing I thought of as well. Truly freeform web design that allowed for custom code and styles via editing the section. Installation for the most part required nothing besides dropping a folder into a PHP-enabled web server.
I wrote a blog post reviewing it a couple of months back: https://rafichaudhury.com/site/blog/Freehand-Web

https://news.ycombinator.com/item?id=41337356#:~:text=Hotglue%20was%20the,blog/Freehand%2DWeb