Cocoa JSON Editor is a powerful tool for developers that use JSON and connect to API services. Document based structure, drag-and-drop support, OS X 10.7 Lion versions, export ObjC Classes with automatic parsing and type check, browse and fetch own or public APIs, or even stream your created JSON directy to your iOS or Mac app during development.
What's new in Cocoa JSON Editor
Fix for crash in class preview happening in OSX 10.8.5
Fix for possible crash when navigating quickly in project nodes.