Datenbanken
Oracle 7.3-9 (Oracle Forms, Reports, Designer)
SQL Server
MS Access
Infomix
MySQL

OS
Linux
Windows
Unix (Thru64, AIX, SCO)

Application/WEB Server
IBM Domino / Notes
Oracle Application Server
Apache
Bea Logic

Programmiersprachen
C/C++
VB
Java
J2ME MIDP 1.0 (Java for Mobiles)
PL/SQL