GCC is distributed via FTP tarballs compressed with gzip or bzip2. It is possible to download a full distribution or specific components.
The full distribution includes the C, C++, Objective-C, Fortran, Java, and Chill compilers. The full distribution also includes runtime libraries for C++, Objective-C and Fortran. In the future the GNU compiler testsuites will be included in the full distribution.
FTP download from egcs.cygnus.com (USA California)
FTP download from go.cygnus.com (USA California -- High speed link provided by Stanford)
FTP download ftp.gnu.org (Eastern USA). Download gcc-2.95.2.tar.gz