MacResearch

The award winning F-Script is an open source scripting environment for Cocoa. F-Script is a lightweight open-source scripting layer specifically designed for the Mac OS X object system (i.e. Cocoa). F-Script provides scripting and interactive access to Cocoa frameworks and custom Objective-C objects. Based on Smalltalk, F-Script provides a pure object-oriented environment that leverage Mac OS X technologies and includes significant innovations, like a high-level model for object manipulation and the most terrific object browser on earth! F-Script has been developed from scratch for the Objective-C object model. It is highly integrated with Cocoa and optimized for native access.
The latest version can now be compiled and run on Leopard with Xcode 3, 64-bit support is being worked on.