2007 Program "Itunes-Checker" (to correct wrong pathes)

2006 Start with the C64-Archiv

2005 Start with the MemoPlaner

2004 Schadensmanagement-Tool for "einfach mobil Carsharing"

2003 Calculator for "einfach mobil Carsharing"

2002 Another tool for management analysis of Car-Sharing-databases (EBuS)

2000 8 queens puzzle

1999 "Small Business Assistant": Tool for management analysis

1998 First version of Connect four

1998 MasterMind

1998 I created my first PC-program in the summer 1998 (a text based adventure)