Here is a nice tutorial for the beginners who wants to move to GCC/Free Software world using KDevelop. The KDevelop-Project was founded in 1998 to build up an easy to use IDE (Integrated Development Environment) for KDE. You can write in C/C++/Java/Qt/Python and many other languages in it. At the end of the tutorial , there is a nice shortcut table for KDevelop.