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

Polymake started out as a tool for the algorithmic treatment of convex polyhedra. By now it also deals with finite simplicial complexes, tight spans of finite metric spaces, polyhedral surfaces, and other discrete mathematical objects.

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

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 Objective-C++ compiler for the build architecture, which compiles Objective-C++ on platforms supported by the gcc compiler. It uses the gcc backend to generate optimized code.

This is a native Linux filesystem for Microsoft Onedrive Onedriver is a native Linux filesystem for Microsoft Onedrive. Files and metadata are downloaded on-demand instead of requiring you to sync your entire account to disk.