mingw-w64

GCC for Windows 64 & 32 bits

Sources

Tarballs for the mingw-w64 sources are hosted on SourceForge. The latest version from the 4.x series is 4.0.0. The latest version from the 3.x series is 3.3.0. Winpthreads has been merged into the main tarball as of 3.1.0.

The wiki has instructions for building native and cross toolchains.

Details on how to get the mingw-w64 code from Git and an Git-web viewer are available on SourceForge.