Do you want to be able to ship stripped executables but still receive usable backtraces?
Then dSymbolizer is for you.
Recent releases of Xcode supports a new debug symbol format called DWARF.
One especially useful feature, is the ability to generate a symbol file that is separated from the application proper.
Blinged JSON Validator is a free app to validate JSON files with syntax highlighting, whitespace indentation, error messaging, and hotkeys.