GTK, UTILITIES, GTK GUI Toolkit for OpenVMS This is GTK+ Version 1.2.8 for OpenVMS Alpha "GTK+ is a multi-platform free software GUI Toolkit, primarily designed for the X Window System. GTK+ is licensed under the GNU LGPL, which allows you to develop free software or even commercial non-free software without spending a dime for licenses or royalties." GTK+ is a set of libraries to create graphical user interfaces. It has a C-based object-oriented architecture that allows for maximum flexibility, and consists of the following component libraries: