Tutorials

The wxWidgets tutorial
The wxPython tutorial
The PyQt4 tutorial
The winapi (Win32 API) tutorial
The Java Swing tutorial
The MySQL C API tutorial
The Cairo graphics tutorial
The Java EE 5 tutorials, Part 1
The GTK+ tutorial
The Qt4 tutorial
The Python tutorial

Articles

The Oracle JDeveloper IDE
Installing Qt4 on Linux
Installing .NET Framework on Windows XP
C/C++ development in Netbeans IDE
C/C++ development in Eclipse IDE

Updates

The Python tutorial  New
The Java Swing tutorial  Updated

2008 plans

Pygame tutorial
The Qt4 tutorial
Java EE tutorials
Java2D tutorial
KDE4 tutorial
Gnome tutorial
glib tutorial
PyOpenGl tutorial
GTK+ tutorial