There are several formats used to present geographic coordinates. For example:

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.

FIAT is a collection of selected Fortran utility libraries, extracted from the IFS/Arpege model used at ECMWF. It provides: drhook : tracing gstats : timing parkind : choose precision mpl : MPI communication mpi_serial: MPI dummy symbols compiled into static library other various routines

QGIS is a Geographic Information System (GIS) which manages, analyzes and display databases of geographic information.

The POCO C++ Libraries are a collection of open source C++ class libraries that simplify and accelerate the development of network-centric, portable applications in C++. The libraries integrate perfectly with the C++ Standard Library and fill many of the functional gaps left open by it.

Qt is a cross-platform C++ application framework. Qt's primary feature is its rich set of widgets that provide standard GUI functionality.