nushoin writes "Gnome and KDE are the two major desktop environments used on Linux today. However, Gnome is growing more and more affiliated with Microsoft's proprietary technologies (Mono, OOXML). Targeting the Gnome desktop environment could prove dangerous in the long run, assuming that one would like its applications to run on distributions other than SuSE. On the other hand, TrollTech is being bought by Nokia, whose commitment to the desktop world remains to be proven. Assuming that one would like to develop a desktop application (either free or closed source), which desktop environment would you target, and what widget tool kit would you use?"