3D Tools - 3ds Max since 1995. Various tools since 1991.

Video production - Adobe Premier, Nero Vision.

DVD production - Nero Vision, ULEAD DVD Workshop.

Digital Images - Adobe Lightroom, Photoshop, IrfanView, IMatch.

Web Design- php / MySQL, phpBB, WordPress, Coppermine, SMForums.

Programming languages - C, C++, KDevelop, Visual Studio, Windows MFC,

Linux - Ubuntu, SUSE, KDevelop, KDE, Qt,

OpenGL on Windows and on Linux.

Embedded Environments - VxWorks, et al.