Cheedoong/xml2json

Fast, convenient JSON serialization and parsing in C++

JSON for Modern C++

C++ header-only JSON library

json_struct is a single header only C++ library for parsing JSON directly to C++ structs and vice versa

TinyXML2 is a simple, small, efficient, C++ XML parser that can be easily integrated into other programs.

JSON-to-XML converter for Python, accelerated with a native Rust extension.

A few classes for extremely fast json parsing/serializing in modern C++. Possibly the fastest json parser in C++. Possibly the fastest json serializer in C++.

A fast JSON parser/generator for C++ with both SAX/DOM style API

A C++11 library for parsing and serializing JSON to and from a DOM container in memory.