Micro framework for easily parsing JSON in Swift
EXI implementations in Java and C#
Carefully crafted Android framework
Open-DIS implements the IEEE DIS protocol in multiple languages.
Another C++ based JSON Library (/w Parser/Generator/Navigator)
JSON parser and encoder
Create XML and JSON data services from any data source
Simple viewer app for most Booru Sites, coded in Qt C++
A JSON parser written in ISO C
Client SDK for the VeliSphere IoT System
SQL user interface for JSON
C++ JSON parser (Now in GitHub)
Modabi is a Modular Data Binding system for Java
A web-browser based viewer for opensim/OpenSimulator
Busilet is a reference implementation of IDTP and UTID.
A tile based website
commandline syntax convertor for RDF
JavaJson is a Java implementation of JavaScript Object Notation (JSON)
Simple JSON API for Qt4
webservices using JSON RPC 2.0 for PHP and Javascript