I mostly contribute to the software technology section and my area of expertise is software reverse engineering: anything and everything related to it.
I have edited articles mostly related to software technology, however in future I may contribute to Science Fiction also.
The Babel on the right side (below) is pretty much a complete summary of what I can do.
Ever since I have been programming (which I started when I was 12 :D); I have been an avid supporter of the Free Software Movement.
Free software is a matter of liberty not price. To understand the concept, you should think of 'free' as in 'free speech', not as in 'free beer'. - Richard Stallman