JSON that's part of C++
Modern C++ REST Client library
JSON parser in standard C
A JSON viewer plugin for Notepad++
JSON library for Arduino and embedded C++. Simple and efficient
Skin changer for League of Legends (LOL)
A C++ library for interacting with JSON
C++ Discord API Bot Library - D++ is Lightweight and scalable
C library for encoding, decoding and manipulating JSON data
Extremely fast, in memory, JSON and interface library for modern C++
An easy to use app for installing and updating 3DS homebrew
No ceremony, just code. Blazing fast, typesafe binary serialization
Library to parse and emit YAML, and do it fast
Validate XML, Parse XML and Build XML rapidly
The Go support for Google's protocol buffers
Fast, convenient JSON serialization and parsing in C++
A tiny boost library in C++11
The fastest JSON library in C
Universal serialization engine
pmacct is a small set of multi-purpose passive network monitoring tool
Parsing gigabytes of JSON per second
Ultimate Javascript Object Signing and Encryption (JOSE)
TreeFrog Framework, High-speed C++ MVC Framework for Web Applications
simplejson is a simple, fast, extensible JSON encoder/decoder
C++ Qt ORM (Object Relational Mapping) and ODM library