I understand not wanting to write PHP for an app I have to maintain as part of my daily work, but for something like this where you want to sell it to anyone an

I understand not wanting to write PHP for an app I have to maintain as part of my daily work, but for something like this where you want to sell it to anyone and have it run anywhere, it's hard to be more universal than "PHP and MySQL" (though it does make me smile when SQLite is an option as well).