Pktools is a collection of programs to perform operations, mostly on raster geolocated images. It heavily relies on the Geospatial Data Abstraction Library (GDAL) and OGR. The programs are similar to the GDAL tools (gdalinfo, gdal_translate, gdal_merge, ...) and some of the functionalities provided in pktools already exist in the GDAL tools.

A macro processor that is used automatically by the GNU C compiler to transform programs before actual compilation.

A macro processor that is used automatically by the GNU C compiler to transform programs before actual compilation.

This is the GNU C++ compiler, a fairly portable optimizing compiler for C++.

This is the GNU Go compiler for the host architecture, which compiles Go on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

This is the GNU D compiler for the host architecture, which compiles D on platforms supported by gcc. It uses the gcc backend to generate optimised code.