I've made three apps:
And two utilities:
- Tintly, a color picker.
- Randomore, a random number generator that can also generate coinflips, dice rolls, decimal numbers, and percents.
I've also made a library to make writing Objective-C console apps easier: NSTerminal
- Ruby (off Rails)
- Objective-C (Cocoa Touch, Cocoa)
- Python (Google App Engine, Flask, Django)
- Common Lisp