Affiche: www.collaboration-world.com/affiche
Cocoa开发者文档: developer.apple.com/techpubs/macosx/Cocoa/CocoaTopics.html
GNUMail.app: www.collaboration-world.com/gnumail
Unix系统GNUstep构建指南: documents.made-it.com/GNUstep/Build
GNUstep编程迷你教程: www.gnustep.it/nicola/Tutorials
Gorm: www.gnustep.org/experience/Gorm.html
GNUstep的Java接口 (JIGS): www.gnustep.it/jigs
LinuxSTEP: www.linuxstep.org
Objective-C编程语言: developer.apple.com/techpubs/macosx/Cocoa/ObjectiveC/index.html
GNUstep官方网站: www.gnustep.org
GNUstep的Ruby接口 (RIGS): www.gnustep.org/experience/RIGS.html
StepTalk: steptalk.host.sk