List of Free code JSON
Entity Framework Json Serializer
Solve the Circular Reference problem when using Entity Framework with Asp.NET MVC JsonResult.
FlowBasis.Json maps JSON to and from strongly-typed objects or dynamic objects to help ease development of web applications that use JSON to communicate with the browser. FlowBasis.Web contains integration points for ASP.NET MVC projects.
JSON-RPC.Net is a high performance Json-Rpc 2.0 server, leveraging the popular JSON.NET library. Host in ASP.NET, also supports sockets and pipes, oh my!
MVC API Action Filter
Expose ASP.NET actions as Restful Json and Xml API endpoints.
Single Sign On Application
This single sign on and pass token to application then ,the system is based on ASP.NET MVC , JSON , J-Query and Oracle.