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.

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 C++ compiler, a fairly portable optimizing compiler for C++.

This is the GNU Go compiler for the aarch64-linux-gnu architecture, which compiles Go on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

The HINT file format is an alternative to the DVI or PDF format that was designed specifically for on screen reading of documents. Especially on mobile devices, reading DVI or PDF documents can be cumbersome.