I'm using LiveCode for a dozen personal applications (and for just the fun of coding; I'm a retired s/w engineer). It's no longer free, but I started with HyperCard and LiveCode is an excellent replacement, at least for me.
I've heard that a non-Mensan asked a Mensan what it's like at a Mensa event. They replied, "If I have to explain something during a conversation, I only have to explain it _once_."