Extremely fast JSON library that can parse gigabytes of JSON per second. [Apache-2.0]

Ultralightweight JSON parser in ANSI C. [MIT]

A C++ library for interacting with JSON. [MIT]

Ultra fast JSON decoder and encoder written in C. [BSD-3-Clause]

A minimalistic JSON parser in C. [MIT]

A high performance JSON library written in ANSI C. [MIT]

C library for encoding, decoding and manipulating JSON data. [MIT]

A JSON implementation in C. [MIT]

A tiny JSON library for C++11. [MIT]

A fast streaming JSON parsing library in C. [ISC]

Parson is a lighweight json library written in C. [MIT]

Very low footprint JSON parser written in portable ANSI C. [BSD]

A header-file-only, JSON parser serializer in C++. [BSD]

A fast JSON serializing & deserializing library, accelerated by SIMD. [Apache-2.0]

A C++ header-only library for JSON and JSON-like binary formats with JSONPointer, JSONPatch, JSONPath and JMESPath. [Boost]

A simple one header/one source solution to parsing JSON in C and C++. [Unlicense]

JSON parser and generator for C/C++. [GPL & GPL2]

a baroque JSON parsing / serialization library for C++. [Apache-2.0]

Zero-dependency C++ header-only JSON library. [MIT]

Lightweight, extremely high-performance JSON parser for C++11. [MIT]

A JSON parser in C++. [MIT]

Fast, convenient JSON serialization and parsing in C++. [BSL-1.0]

High performance, single header JSON parser parsing to and from C++ structs. [MIT]

A simple class for parsing JSON data into a QVariant hierarchy and vice versa. [GPLv3]

A qt-based library that maps JSON data to QVariant objects. [LGPL2]

A JSON parser and printer library in C. easy to integrate with any model. [LGPL]

A very sane (header only) C++ JSON library. [BSD]

JSON library for C++. Support for C++11. No dependencies, fast and dev-friendly. [Apache2]

Very simple C++ JSON Parser. [PublicDomain]

A few classes for parsing and serializing objects from/into JSON - very rapidly. [MIT]

JSON, JSON Pointer, JSON Schema, and JSONL library for C++20. [AGPL/Commercial]

jbson is a library for building & iterating BSON data, and JSON documents in C++14. [Boost]

C89 tiny zero-allocation JSON serializer. [MIT]

A simple JSON parser in ANSI C. [MIT]

Lightweight JSON library. [?]

µjson is a a small, C++11, UTF-8, JSON library. [MIT]