Commandline Challenge - Test your command line skills
Scanbot - Scanbot is a mobile app that allows you to use your device's camera as a document scanner. The app is capable of scanning a large number of source materials, and it can handle QR codes as well.
Prompt - Prompt provides fully-integrated writing education solutions, combining instruction, curriculum, and feedback. We support educational institutions, companies, and individuals.
Scanner Pro - Scanner Pro turns your iPhone into portable scanner in your pocket.
Cwiki - A Command line interface for searching Wikipedia!
Genius Scan - On The Go.