Based on Smalltalk, F-Script provides a pure object-oriented environment that leverage [Apple] 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 is a lightweight object-oriented interactive and 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. It aims to be a useful and fun tool for both beginners and experts, allowing interactively exploring, testing and using Cocoa-based objects and frameworks.

F-Script is free and open source.