JSON engine of VBScript based ASP server technology, served on it's deficiency of processing speciality. Also there have been like these projects put they had some deficiencies. For instance
* find result late * difficult application * don't support full UNICODE * don't compatible with primitive datatypes * don't support to multi dimensional arrays * isn't extendable and iteratable This project solved all these matters. http://code.google.com/p/aspjson