GUI builders pay price for user productivity; writing to APIs a time-consuming task; GUI tools...

Software applications that allow developers to reuse codes across different graphical user interfaces (GUIs) are in demand because of the general incompatibility between GUI application programming interfaces (APIs). Integrated Computer Solutions' Builder Xcessory 2.0, for instance, helps programmers build, prototype and test Motif-based user interfaces for XWindow systems. Other applications such as XVT Software's XVT and Neuron Data's Open Interface help programmers build GUIs on multiple platforms. The XVT has a common interface that applications can use to access the features of the win