C++ Qt ORM (Object Relational Mapping) and ODM library
Library to parse and emit YAML, and do it fast
TreeFrog Framework, High-speed C++ MVC Framework for Web Applications
Web Framework built on top of Qt, using the approach of Catalyst
Development toolkit for Web Services and XML data bindings for C & C++
A tiny C++ JSON reader with a very simple API
IEC 60870-5-104 protocol tester.
Web Framework to build REST APIs, Webservices or any HTTP endpoint
File type detector library
ZET-JSON is C++ library for json format.
EXI implementations in Java and C#
Open-DIS implements the IEEE DIS protocol in multiple languages.
Another C++ based JSON Library (/w Parser/Generator/Navigator)
Simple viewer app for most Booru Sites, coded in Qt C++
A JSON parser written in ISO C
A web-browser based viewer for opensim/OpenSimulator
C++ JSON parser (Now in GitHub)
Simple JSON API for Qt4
Cross-platform C++ libraries with a network/internet focus.