Using SQLite in Corona
The usefulness of SQLite far exceeds the ability to merely save out player data, high scores, etc. to the device you’re deploying to. You can use a database for the actual mechanics of your game.
Fake JSON generator
I came across a situation where I wanted to test enter a bunch of fake users in my user-management system. I didn’t want to have to come up with a dozen or so fake names/usernames/passwords/addresses/emails/phone numbers so I came across this in my travels: http://www.json-generator.com/
