AppleScript Studio: www.apple.com/applescript/macosx/ascript_studio
Build Instructions: www.stepwise.com/Articles/Workbench/2001-10-11.01.html
Carbon: developer.apple.com/techpubs/macosx/Carbon/carbon.html
Cocoa: developer.apple.com/techpubs/macosx/Cocoa/CocoaTopics.html
Curl: curl.haxx.se
Darwin: www.publicsource.apple.com/projects/darwin
Darwin Committers: www.opensource.apple.com/developer/developers.html
Darwin Developer Documentation: developer.apple.com/techpubs/macosx/Darwin/ShouldYou.html
Editors: fink.sourceforge.net/pdb/section.php/editors
Fink: fink.sourceforge.net
GIMP: www.macgimp.org
GNOME: fink.sourceforge.net/pdb/section.php/gnome
KDE: www.kde.org
Microsoft Office: www.microsoft.com/mac/officex/default.asp
MySQL, PostgreSQL: www.entropy.ch/software/macosx
OpenOffice to OS X: porting.openoffice.org/mac
OroborOSX: wrench.et.ic.ac.uk/adrian/software/oroborosx
OSXGNU: www.osxgnu.org/software/index.html
pine and mutt: fink.sourceforge.net/pdb/section.php/net
REALbasic: www.realbasic.com
REALbasic for HyperCard Users: www.oreillynet.com/pub/a/mac/2001/09/20/realbasic.html
Shells: fink.sourceforge.net/pdb/section.php/shell
Slow Going: www.zdnet.com/zdnn/stories/news/0,4586,2784625,00.html
Wget: www.gnu.org/software/wget/wget.html
XonX Project: sourceforge.net/projects/xonx