OS

Windows (98, NT, 2000, XP), Linux (Suse), AIX

application

Visual Studio, NetBeans, Cubase, Photoshop, Word, Excel, Powerpoint, Visio, NetObjects, Continuus, MKS, Citrix WTS, Cygwin, Star Office, Open Office, Ghostview

programming

C and C++ (gnu, Visual C++, Borland C++)
Java, Modula II, Pascal, HTML, Latex, SQL

tools

Unix-tools (emacs, vi, grep, ftp, sed, ...)

technologie

RPC, tli, patterns, TPI, RUP, OOA, OOD, Threads, UML