I've been looking for the same thing: I want to make a prototype for an idea I have without having to learn a web framework and brush up my java. Alas, I was no

I've been looking for the same thing: I want to make a prototype for an idea I have without having to learn a web framework and brush up my java. Alas, I was not able to find an open source solution, and the paid options look super sketchy to me.