Invaluable Tools for your Mac

Export Address Book

Export any data from Address Book to Excel and CSV.

Export Calendars Pro

Export any data from iCal/Calendar to Excel and CSV.

Mail Detective

Detect scam email by tracing their geographic origin.


Key-based secure password generator and manager.

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This is the home for a bunch of apps created by Stefan Keller, an independent software developer that specializes in creating high quality iPhone, iPad, Mac and Web apps.