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
GHuser - Better GitHub profiles for everyone
JSON Viewer - The most beautiful and customizable JSON/JSONP highlighter that your eyes have ever seen.
GitHub Visualizer - Enter user/repo and see the project visually
JSON Editor Online - View, edit and format JSON online
Octohunt - Search to find developers in your city on Github.