What are some alternatives?
When comparing JSON Lint Pro for Desktop and JSONedit, you can also consider the following products
JSONLint - JSON Lint is a web based validator and reformatter for JSON, a lightweight data-interchange format.
JSONMate - JSON tree editor, inspector and beautifier
JSONFormatter.org - Online JSON Formatter and JSON Validator will format JSON data, and helps to validate, convert JSON to XML, JSON to CSV. Save and Share JSON
JSON Editor Online - View, edit and format JSON online
JSON Online Viewer - JSON Online Viewer is a fast JSON tree visualizer.