Project Description
Json.NET is a popular high-performance JSON framework for .NET

Documentation
Quick Starts & API Documentation - http://james.newtonking.com/projects/json/help/

Requirements
Json.NET 2.0 requires .NET 3.5. If you are running .NET 2.0 then use Json.NET 1.3.1.

My Blog
My blog can be found at http://james.newtonking.com where I post news and updates about Json.NET.