GNU Pascal

Frank's Programs
Contains various program sources. Most of them are written for GNU Pascal. By Frank Heckenbach.
http://fjf.gnu.de/

GNU Pascal
32-bit optimizing compiler, part of GNU family. Implements standard Pascal, Borland Pascal with Objects, most of extended Pascal. Many platforms supported: DOS, Win32, OS/2; Linux, Unix (several). [Open Source, GPL]
http://www.gnu-pascal.de/gpc/h-index.html

GNU Pascal for Mac OS X
Free 32/64-bit compiler of the GNU Compiler Collection. Has been ported to Mac OS X, and many other platforms. Downloads with brief descriptions.
http://www.microbizz.nl/gpc.html

GPC Mailing List Archive
Mail list archive starting from 1995 year.
http://www.gnu-pascal.org/crystal/gpc/en/