A native Windows port of the GNU Compiler Collection (GCC)
MinGW: A native Windows port of the GNU Compiler Collection (GCC), with freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All of MinGW's software will execute on the 64bit Windows platforms.
Multifunctional development tool. Contains: Compiler, DBMS Libs, Network Libs, Forms support, IDE. Can be used as CRM or CMS system. Also it can compile and run some applications. Supports GCC. Interfaces: CLI, Terminal, CGI. GNAT requires.
G3C provides the main features for 3D-game developers: 3D rendering engine based on openGL, collision detection, physical rules, p2p network... A game-sample will be avaible, binding a wargame, a flight simulator, a first person shooter, a MMOG...