Atosym is a command-line tool for debugging and distribution, designed to replace atos(1) until Apple provides a dSYM-compatible version. It utilizes GDB to parse dSYM files and offers an arch switch for Intel and PowerPC. It can be used in interactive or non-interactive modes.
Blinged JSON Validator is a free app to validate JSON files with syntax highlighting, whitespace indentation, error messaging, and hotkeys.