| 1. | GNUstep | | | A GNU project to write a completely OpenStep compatible programming environment based on Objective-C, with intentions to also maintain Mac OS X compatibility. www.gnustep.org |
| 2. | ActiveDeveloper | | | Interactive runtime Objective-C IDE for Windows, Mac OS X, OpenStep NIS. www.interactive-technology.com |
| 3. | Cocoa | | | Apple's Objective-C based programming environment for Mac OS X. developer.apple.com |
| 5. | The MiscKit Frameworks | | | A free collection of Objective-C objects useful to Rhapsody, OPENSTEP, GNUstep, and NeXTSTEP programmers. www.misckit.com |
| 6. | OpenStep Specification | | | A copy of NeXT Computer's OpenStep Specification. This is the specification that both Cocoa and GNUstep are based on. www.gnustep.org |
| 7. | gnome-objc | | | CVS home of Objective-C bindings for Gtk+, GNOME. cvs.gnome.org |
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