Developed by GNU project as free compiler for GNU system. Front ends: C, C++, Objective-C, Fortran, Java, Ada; libraries for libstdc++, and libgcj. Mission, mail lists, timeline, contributors, committee, instructions, manual, FAQ, downloads, plans, bu...

Compiler system uses GCC to produce Windows programs. Win32 ports of GCC, GDB, binutils to build native Win32 programs that rely on no 3rd party DLLs.

A written in Ada95 GCC front-end. It is a VHDL simulator and implements nearly all VHDL87 and some features of VHDL93.

This is a wikibook describing internals of GNU C Compiler Collection. A number of authors have contributed to it.

A gcc wrapper that speeds compilation by transparently distributing work across several machines. [Open source, GPL]

A PL/1 front-end for GNU Compiler Collection. It based on the syntax from IBM OS PL/I Version 2.

A printed tutorial for new users of GCC, published under the GNU Free Documentation License.

Script to automatically download, patch, build, and test binutils, gcc, and glibc cross-toolchains.

Project fused work on GNU C, C++, Objective-C, Ada, Fortran compilers, and libc++, to speed up work to improve GCC. In April 1999 was merged into general GCC effort under control of GCC steering committee. Descriptions, a few links.

Some notes about garbage collection and type information strings in the GNU Objective-C runtime (2.95.3 GCC version).