This is a jQuery plugin for converting data from XML to JSON format. However its real power lies in its ability to also remap data to a different structure. This can be useful when you have a plugin or application that requires JSON data, but the data is coming from an XML feed that you don't have structural control over. Data is remapped to the structure you need.
jQuery Gantt Chart is a simple chart that implements gantt functionality as a jQuery plugin. Plugin uses AJAX to retrive JSON data and render them as Gantt chart with many features such as zooming or paging.
XML to JSON Plugin (jQuery.xml2json) is a script you can use to convert simple XML into a JSON object.
jTwitter jQuery Twitter API Plugin provides you with an easy Twitter API to access Twitter user information by twitter username.
jqIpLocation is a jQuery Plugin that returns the location of an IP address in JSON format. You can get country, country code, city name, region name, latitude and longitude information about IP address location