Style Revisor is a powerful source code formatting tool that offers an easy-to-use interface. It provides a direct and flexible way to define formatting styles, and supports various programming languages. It has many predefined formatting styles and new features such as a native OS X look, fullscreen mode, vertical scrollers, cursor during drag-and-drop, lists, etc. It also offers improved efficiency of formatting, and a "non-modal" revision process.
Blinged JSON Validator is a free app to validate JSON files with syntax highlighting, whitespace indentation, error messaging, and hotkeys.
