ArduinoJson VS cJSON

Compare ArduinoJson vs cJSON and see what are their differences.

ArduinoJson

📟 JSON library for Arduino and embedded C++. Simple and efficient. (by bblanchon)

cJSON

Ultralightweight JSON parser in ANSI C (by DaveGamble)
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ArduinoJson cJSON
24 17
7,004 11,921
0.3% 1.0%
8.0 5.0
5 days ago 4 months ago
C++ C
MIT License MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

ArduinoJson

Posts with mentions or reviews of ArduinoJson. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-12-22.

cJSON

Posts with mentions or reviews of cJSON. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-04-13.

What are some alternatives?

When comparing ArduinoJson and cJSON you can also consider the following projects:

json - JSON for Modern C++

json-c - 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/

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

Jansson - C library for encoding, decoding and manipulating JSON data

yaml-cpp - A YAML parser and emitter in C++

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

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Did you know that C++ is
the 7th most popular programming language
based on number of references?