Operating systems

development usage: Microsoft Windows (Windows 7, Vista, XP)

basic usage/know how: Linux (Kubuntu, Ubuntu)

Programming

Expert: .NET 3.5, C# 2008, VB.NET 2008 (Visual Studio 2008, 2005, 2003), PHP

Advanced: C/C++, Java (Eclipse, IntelliJ)

Basics: F#, Ruby

Technologies

Expert: WPF, Xaml, WCF, WinForms, Xml, SQL (MySQL, MS-SQL [TSQL]), LINQ

Advanced: OpenGL, XNA, VSTO

Basics: [Managed] DirectX, Cg, Qt, Win32/MFC, ActionScript

Web technologies

Expert: ASP.NET, ASP.NET MVC, MonoRail, Silverlight 2/3, PHP, HTML, CSS, JavaScript, jQuery, Ajax

Advanced: Spring.NET

Basics: Ruby on Rails

Mobile technologies

Expert: Windows Mobile 5/6, .NET Compact Framework 2.0

Basics: JavaME

Software

Expert: Microsoft Visual Studio, Microsoft Expression Blend, Microsoft Expression Designer, Microsoft Expression Web, Microsoft SQL Management Studio, Adobe Photoshop

Basics: Adobe Flash