GNAT is a compiler for the Ada programming language. It produces optimized code on platforms supported by the GNU Compiler Collection (GCC).

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

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

This is the GNU Objective-C++ compiler for the i686-linux-gnu architecture, which compiles Objective-C++ on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

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

This package contains (header) files for GNU GCC plugin development. It is only used for the development of GCC plugins, but not needed to run plugins.