CUAHSI WaterObjectFlow provide JSON web service for hydrology observation data,sponsored by National Science Foundation of United States,developed by Joe hu, MapWindow software lab,Idaho State University
DynAjax is a Javascript / ASP.Net / C# Framework easing dynamic calls to business / service C# methods directly from JavaScript code (like DWR framework does in Java World). The object serialization is based on JSON, permitting complex objects exchange.