wxGTK3: wxGTK3 (cross-platform GUI toolkit) wxGTK3: wxGTK3: wxGTK3 is part of wxWidgets, a cross-platform API for writing GUI wxGTK3: applications on multiple platforms that still utilize the native wxGTK3: platform's controls and utilities. wxGTK3: wxGTK3: http://wxwidgets.org wxGTK3: wxGTK3: wxGTK3: wxGTK3: