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Awesome C++ JSON

• ArduinoJson 6,467

  

  | updated 3 months ago | MIT License

  📟 JSON library for Arduino and embedded C++. Simple and efficient.

• beast 4,148

  

  | updated 24 days ago | Boost Software Li...

  HTTP and WebSocket built on Boost.Asio in C++11

• cJSON 9,869

  

  | updated 2 months ago | MIT License

  Ultralightweight JSON parser in ANSI C

• date 2,927

  

  | updated 9 months ago | Other

  A date and time library based on the C++11/14/17 <chrono> header

• glaze 839

  

  | updated about 2 months ago | MIT License

  Extremely fast, in memory, JSON and interface library for modern C++

• jbson 38

  

  | updated over 8 years ago | Boost Software Li...

  JSON & BSON parser/writer

• jeayeson 129

  

  | updated over 7 years ago | BSD 3-Clause "New...

  A very sane (header only) C++14 JSON library

• jsmn 3,504

  

  | updated 4 months ago | MIT License

  Jsmn is a world fastest JSON parser/tokenizer. This is the official repo replacing the old one at Bitbucket

• json 411

  

  | updated 22 days ago | Boost Software Li...

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

• json 550

  

  | updated 6 months ago | MIT License

  C++ header-only JSON library

• json11 2,478

  

  | updated about 4 years ago | MIT License

  A tiny JSON library for C++11.

• json-build 33

  

  | updated over 1 year ago | MIT License

  Tiny, zero-allocation JSON serializer written in ANSI C

• json-c 2,741

  

  | updated 8 months ago | Other

  https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/

• jsoncons 666

  

  | updated 19 days ago | Other

  A C++, header-only library for constructing JSON and JSON-like data formats, with JSON Pointer, JSON Patch, JSON Schema, JSONPath, JMESPath, CSV, MessagePack, CBOR, BSON, UBJSON

• jsoncpp 7,758

  

  | updated about 2 months ago | Other

  A C++ library for interacting with JSON.

• json_dto 118

  

  | updated 3 months ago | BSD 3-Clause "New...

  A small header-only library for converting data between json representation and c++ structs

• json.h 647

  

  | updated 3 months ago | The Unlicense

  🗄️ single header json parser for C and C++

• jsonParse 9

  

  | updated over 4 years ago

  A simple and fast JSON parser in ANSI C

• json-parser 1,263

  

  | updated 23 days ago | BSD 2-Clause "Sim...

  Very low footprint DOM-style JSON parser written in portable ANSI C

• json_struct 366

  

  | updated 3 months ago | Other

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

• json-voorhees 126

  

  | updated about 2 years ago | Apache License 2.0

  A killer modern C++ library for interacting with JSON.

• jsonxx 522

  

  | updated about 3 years ago | MIT License

  A JSON parser in C++

• jute 69

  

  | updated almost 3 years ago

  Very simple C++ JSON Parser

• jvar 25

  

  | updated over 5 years ago | MIT License

  JS inspired Variants and JSON parsing for C++

• jwt-cpp 710

  

  | updated 5 months ago | MIT License

  A header only library for creating and validating json web tokens in c++

• libjson 268

  

  | updated over 5 years ago

  a JSON parser and printer library in C. easy to integrate with any model.

• libucl 1,594

  

  | updated 7 days ago | BSD 2-Clause "Sim...

  Universal configuration library parser

• metajson 69

  

  | updated over 4 years ago

  Non-intrusive, high performance C++17 lightweight JSON de/serializer

• nlohmann_json_cmake_fetchcontent 75

  

  | updated 4 months ago | MIT License

  A lightweight Release-tracking repository for nlohmann/json. Suitable for CMake fetchcontent. Automatically upgraded every weeks.

• parson 1,289

  

  | updated 4 months ago | MIT License

  Lightweight JSON library written in C.

• picojson 1,082

  

  | updated 4 months ago | BSD 2-Clause "Sim...

  a header-file-only, JSON parser serializer in C++

• qjson 278

  

  | updated 8 months ago | GNU Lesser Genera...

  QJson is a qt-based library that maps JSON data to QVariant objects.

• qt-json 322

  

  | updated about 6 years ago | GNU General Publi...

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

• sajson 561

  

  | updated over 2 years ago | MIT License

  Lightweight, extremely high-performance JSON parser for C++11

• simdjson 18,352

  

  | updated 23 days ago | Apache License 2.0

  Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

• stdman 911

  

  | updated over 1 year ago | MIT License

  Formatted C++20 stdlib man pages (cppreference)

• string_id 181

  

  | updated about 4 years ago | zlib License

  A small C++ library to handle hashed strings serving as identifiers.

• ujson 8

  

  | updated almost 4 years ago | MIT License

  µjson is a a small, C++11, UTF-8, JSON library

• ultrajson 4,222

  

  | updated 2 months ago | Other

  Ultra fast JSON decoder and encoder written in C with Python bindings

• yajl 2,116

  

  | updated 10 months ago | ISC License

  A fast streaming JSON parsing library in C.

• yaml-cpp 4,666

  

  | updated 2 months ago | MIT License

  A YAML parser and emitter in C++

• yyjson 2,548

  

  | updated 10 months ago | MIT License

  The fastest JSON library in C