This is a C-language library of functions (although, you can pay extra for C++). They have a WYSIWYG GUI builder, but they charge for that, too.
OPTIONS: C++ capability 200 XVT-Design (a WYSIWYG GUI builder) 1200 (2900 for non-PC UNIX) Source Code (call)
XVT Software Incorporated 4900 Pearl East Circle Box 18750 Boulder, CO 80308 (800) 678-7988 (303) 443-4223 (phone) (303) 443-0969 (fax)
info@xvt.com