Old convention: discourage open-source Linux programs from being ported to Windows, because unique programs on Linux will draw people to it. New convention: port programs because if people get used to using them, transitioning to Linux will be easier.
newsforge.com/article.pl?sid...
I have benifitted greatly from this trend. I currently use these open-source programs regularily:
Firefox, Thunderbird, GIMP, 7zip (Windows only), FileZilla (Windows only), VNCViewer
