Honestly, people need to get over HyperCard. Yes it was cool, but there’s no conspiracy behind its demise. It died because the World Wide Web accomplished basically the same thing, not initially as elegantly or powerfully, but open and universal (and today, very much more capable than HyperCard was). HyperCard usage declined and Apple gave up on it. It’s not complicated.
> World Wide Web accomplished basically the same thing, This is incorrect and I'm convinced that you agree after you think it little more. HyperCard was tool for non-programmers. Like spreadsheet. Web is not alternative to HyperCard. You have to learn web programming to do anything. We should not get over it, but create replacement or recreate it.
I feel that enough people complain about it not existing and then quickly proceed to not recreating it. If there was market for this, it would exist.
I've never used Hyper Card, but I guess that for prototyping of 'real software', programs like InVision work. Most of the trivial programs you could create with HyperCard (from the examples shown) can be recreated in other software (like excel or soulver) or already exist.