Navit is a open source (GPL) car navigation system with routing engine. It s modular design is capable of using vector maps of various formats for routing and rendering of the displayed map. It s even possible to use multiple maps at a time.

wxWidgets是一种基于跨平台开发的GUI程序库和类函数集,方便大家开发自己的多平台应用系统-wxWidgets is a C++ framework providing GUI (Graphical User Interface) and other facilities on more than one platform. Version 2 currently supports all desktop versions of MS Windows, Unix with GTK+, U