I just came across TileStack, an online version of the old Mac "natural language" programming tool HyperCard. Their FAQ says it's 95% compatible with HyperCard stacks, which sounds impressive. I never really used HyperCard, but it looked like a great tool for non-programmers to do slick GUI-type stuff, and remember some people who really liked it.

What's interesting here is that they translate the Speak/HyperTalk code into Javascript on their server, which runs native in any browser. I may have to tinker, but here's one of the stacks from their front page: