Power JSON Editor is a powerful JSON editor for developers. Using Power JSON Editor, developers can easily import JSON data from the Web, import PLIST data as JSON, or export JSON to a PLIST file. With support for plug-ins, Power JSON Editor's functionality can easily be extended. It currently supports rendering JSON data with the Jade template.
Blinged JSON Validator is a free app to validate JSON files with syntax highlighting, whitespace indentation, error messaging, and hotkeys.
