Information for GUI Developers
This page links to information about developing GUI applications for free operating systems such as Linux and FreeBSD.
X Desktop Information
GNOME Developer Information: The GNOME developer's site has copious documentation, technical whitepapers, and other information about developing GNOME applications and the development of GNOME itself.
KDE Developer Information: The KDE developer's site includes a rich assortment of tutorials, references, development tools, and other information to get you started with KDE development.
ROX Developer Information: The ROX developer's site, with tutorials, libraries and the style guide.
Other Links
Trolltech: Troll Tech is the company that creates and supports the Qt GUI toolkit that forms the foundation of KDE.
GTK+: The home page of the GTK+ GUI toolkit, used in the GNOME desktop environment.
GNUstep: The homepage of the GNUstep toolkit (FoundationKit and ApplicationKit).