Core Data Explorer, which is part of FScript, provides interactive access to the new Core Data layer in Mac OS X 10.4.

Core Data Explorer allows to:

• Explore whole managed objects graphs with a powerful graphical object browser.
• Delve into collections of managed objects with a graphical collection inspector.
• Enter and evaluate Core Data queries interactively.
• Manipulate managed objects with the OOPALProgrammingModel.

Core Data Explorer is open source. More about it at http://www.fscript.org

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* Great tool! Combined with FScriptAnywhere I can use it to directly query and modify my Core Data persistent stores. Sweet! *